(function(global, factory) {
"use strict";
if (typeof module === "object" && typeof module.exports === "object") {
module.exports = global.document ?
factory(global, true) :
function(w) {
if (!w.document) {
throw new Error("jQuery requires a window with a document");
}
return factory(w);
};
} else {
factory(global);
}
// Pass this if window is not defined yet
})(typeof window !== "undefined" ? window : this, function(window, noGlobal) {
"use strict";
var arr = [];
var getProto = Object.getPrototypeOf;
var slice = arr.slice;
var flat = arr.flat ? function(array) {
return arr.flat.call(array);
} : function(array) {
return arr.concat.apply([], array);
};
var push = arr.push;
var indexOf = arr.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var fnToString = hasOwn.toString;
var ObjectFunctionString = fnToString.call(Object);
var support = {};
var isFunction = function isFunction(obj) {
return typeof obj === "function" && typeof obj.nodeType !== "number" &&
typeof obj.item !== "function";
};
var isWindow = function isWindow(obj) {
return obj != null && obj === obj.window;
};
var document = window.document;
var preservedScriptAttributes = {
type: true,
src: true,
nonce: true,
noModule: true
};
function DOMEval(code, node, doc) {
doc = doc || document;
var i, val,
script = doc.createElement("script");
script.text = code;
if (node) {
for (i in preservedScriptAttributes) {
val = node[i] || node.getAttribute && node.getAttribute(i);
if (val) {
script.setAttribute(i, val);
}
}
}
doc.head.appendChild(script).parentNode.removeChild(script);
}
function toType(obj) {
if (obj == null) {
return obj + "";
}
return typeof obj === "object" || typeof obj === "function" ?
class2type[toString.call(obj)] || "object" :
typeof obj;
}
/* global Symbol */
// Defining this global in .eslintrc.json would create a danger of using the global
// unguarded in another place, it seems safer to define global only for this module
var
version = "x.x.x",
// Define a local copy of jQuery
jQuery = function(selector, context) {
// The jQuery object is actually just the init constructor 'enhanced'
// Need init if jQuery is called (just allow error to be thrown if not included)
return new jQuery.fn.init(selector, context);
};
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used
jquery: version,
constructor: jQuery,
// The default length of a jQuery object is 0
length: 0,
toArray: function() {
return slice.call(this);
},
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function(num) {
// Return all the elements in a clean array
if (num == null) {
return slice.call(this);
}
// Return just the one element from the set
return num < 0 ? this[num + this.length] : this[num];
},
// Take an array of elements and push it onto the stack
// (returning the new matched element set)
pushStack: function(elems) {
// Build a new jQuery matched element set
var ret = jQuery.merge(this.constructor(), elems);
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
// Return the newly-formed element set
return ret;
},
// Execute a callback for every element in the matched set.
each: function(callback) {
return jQuery.each(this, callback);
},
map: function(callback) {
return this.pushStack(jQuery.map(this, function(elem, i) {
return callback.call(elem, i, elem);
}));
},
slice: function() {
return this.pushStack(slice.apply(this, arguments));
},
first: function() {
return this.eq(0);
},
last: function() {
return this.eq(-1);
},
even: function() {
return this.pushStack(jQuery.grep(this, function(_elem, i) {
return (i + 1) % 2;
}));
},
odd: function() {
return this.pushStack(jQuery.grep(this, function(_elem, i) {
return i % 2;
}));
},
eq: function(i) {
var len = this.length,
j = +i + (i < 0 ? len : 0);
return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
},
end: function() {
return this.prevObject || this.constructor();
},
// For internal use only.
// Behaves like an Array's method, not like a jQuery method.
push: push,
sort: arr.sort,
splice: arr.splice
};
jQuery.extend = jQuery.fn.extend = function() {
var options, name, src, copy, copyIsArray, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if (typeof target === "boolean") {
deep = target;
// Skip the boolean and the target
target = arguments[i] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if (typeof target !== "object" && !isFunction(target)) {
target = {};
}
// Extend jQuery itself if only one argument is passed
if (i === length) {
target = this;
i--;
}
for (; i < length; i++) {
// Only deal with non-null/undefined values
if ((options = arguments[i]) != null) {
// Extend the base object
for (name in options) {
copy = options[name];
// Prevent Object.prototype pollution
// Prevent never-ending loop
if (name === "__proto__" || target === copy) {
continue;
}
// Recurse if we're merging plain objects or arrays
if (deep && copy && (jQuery.isPlainObject(copy) ||
(copyIsArray = Array.isArray(copy)))) {
src = target[name];
// Ensure proper type for the source value
if (copyIsArray && !Array.isArray(src)) {
clone = [];
} else if (!copyIsArray && !jQuery.isPlainObject(src)) {
clone = {};
} else {
clone = src;
}
copyIsArray = false;
// Never move original objects, clone them
target[name] = jQuery.extend(deep, clone, copy);
// Don't bring in undefined values
} else if (copy !== undefined) {
target[name] = copy;
}
}
}
}
// Return the modified object
return target;
};
jQuery.extend({
// Unique for each copy of jQuery on the page
expando: "jQuery" + (version + Math.random()).replace(/\D/g, ""),
// Assume jQuery is ready without the ready module
isReady: true,
error: function(msg) {
throw new Error(msg);
},
noop: function() {},
isPlainObject: function(obj) {
var proto, Ctor;
// Detect obvious negatives
// Use toString instead of jQuery.type to catch host objects
if (!obj || toString.call(obj) !== "[object Object]") {
return false;
}
proto = getProto(obj);
// Objects with no prototype (e.g., `Object.create( null )`) are plain
if (!proto) {
return true;
}
// Objects with prototype are plain iff they were constructed by a global Object function
Ctor = hasOwn.call(proto, "constructor") && proto.constructor;
return typeof Ctor === "function" && fnToString.call(Ctor) === ObjectFunctionString;
},
isEmptyObject: function(obj) {
var name;
for (name in obj) {
return false;
}
return true;
},
// Evaluates a script in a provided context; falls back to the global one
// if not specified.
globalEval: function(code, options, doc) {
DOMEval(code, { nonce: options && options.nonce }, doc);
},
each: function(obj, callback) {
var length, i = 0;
if (isArrayLike(obj)) {
length = obj.length;
for (; i < length; i++) {
if (callback.call(obj[i], i, obj[i]) === false) {
break;
}
}
} else {
for (i in obj) {
if (callback.call(obj[i], i, obj[i]) === false) {
break;
}
}
}
return obj;
},
// results is for internal usage only
makeArray: function(arr, results) {
var ret = results || [];
if (arr != null) {
if (isArrayLike(Object(arr))) {
jQuery.merge(ret,
typeof arr === "string" ? [arr] : arr
);
} else {
push.call(ret, arr);
}
}
return ret;
},
inArray: function(elem, arr, i) {
return arr == null ? -1 : indexOf.call(arr, elem, i);
},
// push.apply(_, arraylike) throws on ancient WebKit
merge: function(first, second) {
var len = +second.length,
j = 0,
i = first.length;
for (; j < len; j++) {
first[i++] = second[j];
}
first.length = i;
return first;
},
grep: function(elems, callback, invert) {
var callbackInverse,
matches = [],
i = 0,
length = elems.length,
callbackExpect = !invert;
// Go through the array, only saving the items
// that pass the validator function
for (; i < length; i++) {
callbackInverse = !callback(elems[i], i);
if (callbackInverse !== callbackExpect) {
matches.push(elems[i]);
}
}
return matches;
},
// arg is for internal usage only
map: function(elems, callback, arg) {
var length, value,
i = 0,
ret = [];
// Go through the array, translating each of the items to their new values
if (isArrayLike(elems)) {
length = elems.length;
for (; i < length; i++) {
value = callback(elems[i], i, arg);
if (value != null) {
ret.push(value);
}
}
// Go through every key on the object,
} else {
for (i in elems) {
value = callback(elems[i], i, arg);
if (value != null) {
ret.push(value);
}
}
}
// Flatten any nested arrays
return flat(ret);
},
// A global GUID counter for objects
guid: 1,
// jQuery.support is not used in Core but other projects attach their
// properties to it so it needs to exist.
support: support
});
if (typeof Symbol === "function") {
jQuery.fn[Symbol.iterator] = arr[Symbol.iterator];
}
// Populate the class2type map
jQuery.each("Boolean Number String Function Array Date RegExp Object Error Symbol".split(" "),
function(_i, name) {
class2type["[object " + name + "]"] = name.toLowerCase();
});
function isArrayLike(obj) {
var length = !!obj && "length" in obj && obj.length,
type = toType(obj);
if (isFunction(obj) || isWindow(obj)) {
return false;
}
return type === "array" || length === 0 ||
typeof length === "number" && length > 0 && (length - 1) in obj;
}
var Sizzle =
(function(window) {
var i,
support,
Expr,
getText,
isXML,
tokenize,
compile,
select,
outermostContext,
sortInput,
hasDuplicate,
// Local document vars
setDocument,
document,
docElem,
documentIsHTML,
rbuggyQSA,
rbuggyMatches,
matches,
contains,
// Instance-specific data
expando = "sizzle" + 1 * new Date(),
preferredDoc = window.document,
dirruns = 0,
done = 0,
classCache = createCache(),
tokenCache = createCache(),
compilerCache = createCache(),
nonnativeSelectorCache = createCache(),
sortOrder = function(a, b) {
if (a === b) {
hasDuplicate = true;
}
return 0;
},
// Instance methods
hasOwn = ({}).hasOwnProperty,
arr = [],
pop = arr.pop,
pushNative = arr.push,
push = arr.push,
slice = arr.slice,
// Use a stripped-down indexOf as it's faster than native
indexOf = function(list, elem) {
var i = 0,
len = list.length;
for (; i < len; i++) {
if (list[i] === elem) {
return i;
}
}
return -1;
},
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
"ismap|loop|multiple|open|readonly|required|scoped",
// Regular expressions
whitespace = "[\\x20\\t\\r\\n\\f]",
identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
// Operator (capture 2)
"*([*^$|!~]?=)" + whitespace +
"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
whitespace + "*\\]",
pseudos = ":(" + identifier + ")(?:\\((" +
"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
// 2. simple (capture 6)
"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
".*" +
")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
rwhitespace = new RegExp(whitespace + "+", "g"),
rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
whitespace + "+$", "g"),
rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"),
rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
"*"),
rdescend = new RegExp(whitespace + "|>"),
rpseudo = new RegExp(pseudos),
ridentifier = new RegExp("^" + identifier + "$"),
matchExpr = {
"ID": new RegExp("^#(" + identifier + ")"),
"CLASS": new RegExp("^\\.(" + identifier + ")"),
"TAG": new RegExp("^(" + identifier + "|[*])"),
"ATTR": new RegExp("^" + attributes),
"PSEUDO": new RegExp("^" + pseudos),
"CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i"),
"bool": new RegExp("^(?:" + booleans + ")$", "i"),
// For use in libraries implementing .is()
// We use this for POS matching in `select`
"needsContext": new RegExp("^" + whitespace +
"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i")
},
rhtml = /HTML$/i,
rinputs = /^(?:input|select|textarea|button)$/i,
rheader = /^h\d$/i,
rnative = /^[^{]+\{\s*\[native \w/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
// CSS escapes
runescape = new RegExp("\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g"),
funescape = function(escape, nonHex) {
var high = "0x" + escape.slice(1) - 0x10000;
return nonHex ?
// Strip the backslash prefix from a non-hex escape sequence
nonHex :
// Replace a hexadecimal escape sequence with the encoded Unicode code point
// Support: IE <=11+
// For values outside the Basic Multilingual Plane (BMP), manually construct a
// surrogate pair
high < 0 ?
String.fromCharCode(high + 0x10000) :
String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
},
// CSS string/identifier serialization
rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
fcssescape = function(ch, asCodePoint) {
if (asCodePoint) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if (ch === "\0") {
return "\uFFFD";
}
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice(0, -1) + "\\" +
ch.charCodeAt(ch.length - 1).toString(16) + " ";
}
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch;
},
// Used for iframes
// See setDocument()
// Removing the function wrapper causes a "Permission Denied"
// error in IE
unloadHandler = function() {
setDocument();
},
inDisabledFieldset = addCombinator(
function(elem) {
return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
}, { dir: "parentNode", next: "legend" }
);
// Optimize for push.apply( _, NodeList )
try {
push.apply(
(arr = slice.call(preferredDoc.childNodes)),
preferredDoc.childNodes
);
// Detect silently failing push.apply
// eslint-disable-next-line no-unused-expressions
arr[preferredDoc.childNodes.length].nodeType;
} catch (e) {
push = {
apply: arr.length ?
// Leverage slice if possible
function(target, els) {
pushNative.apply(target, slice.call(els));
} :
// Support: IE<9
// Otherwise append directly
function(target, els) {
var j = target.length,
i = 0;
// Can't trust NodeList.length
while ((target[j++] = els[i++])) {}
target.length = j - 1;
}
};
}
function Sizzle(selector, context, results, seed) {
var m, i, elem, nid, match, groups, newSelector,
newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document
nodeType = context ? context.nodeType : 9;
results = results || [];
// Return early from calls with invalid selector or context
if (typeof selector !== "string" || !selector ||
nodeType !== 1 && nodeType !== 9 && nodeType !== 11) {
return results;
}
// Try to shortcut find operations (as opposed to filters) in HTML documents
if (!seed) {
setDocument(context);
context = context || document;
if (documentIsHTML) {
// If the selector is sufficiently simple, try using a "get*By*" DOM method
// (excepting DocumentFragment context, where the methods don't exist)
if (nodeType !== 11 && (match = rquickExpr.exec(selector))) {
// ID selector
if ((m = match[1])) {
// Document context
if (nodeType === 9) {
if ((elem = context.getElementById(m))) {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if (elem.id === m) {
results.push(elem);
return results;
}
} else {
return results;
}
// Element context
} else {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if (newContext && (elem = newContext.getElementById(m)) &&
contains(context, elem) &&
elem.id === m) {
results.push(elem);
return results;
}
}
// Type selector
} else if (match[2]) {
push.apply(results, context.getElementsByTagName(selector));
return results;
// Class selector
} else if ((m = match[3]) && support.getElementsByClassName &&
context.getElementsByClassName) {
push.apply(results, context.getElementsByClassName(m));
return results;
}
}
// Take advantage of querySelectorAll
if (support.qsa &&
!nonnativeSelectorCache[selector + " "] &&
(!rbuggyQSA || !rbuggyQSA.test(selector)) &&
// Support: IE 8 only
// Exclude object elements
(nodeType !== 1 || context.nodeName.toLowerCase() !== "object")) {
newSelector = selector;
newContext = context;
// qSA considers elements outside a scoping root when evaluating child or
// descendant combinators, which is not what we want.
// In such cases, we work around the behavior by prefixing every selector in the
// list with an ID selector referencing the scope context.
// The technique has to be used as well when a leading combinator is used
// as such selectors are not recognized by querySelectorAll.
// Thanks to Andrew Dupont for this technique.
if (nodeType === 1 &&
(rdescend.test(selector) || rcombinators.test(selector))) {
// Expand context for sibling selectors
newContext = rsibling.test(selector) && testContext(context.parentNode) ||
context;
// We can use :scope instead of the ID hack if the browser
// supports it & if we're not changing the context.
if (newContext !== context || !support.scope) {
// Capture the context ID, setting it first if necessary
if ((nid = context.getAttribute("id"))) {
nid = nid.replace(rcssescape, fcssescape);
} else {
context.setAttribute("id", (nid = expando));
}
}
// Prefix every selector in the list
groups = tokenize(selector);
i = groups.length;
while (i--) {
groups[i] = (nid ? "#" + nid : ":scope") + " " +
toSelector(groups[i]);
}
newSelector = groups.join(",");
}
try {
push.apply(results,
newContext.querySelectorAll(newSelector)
);
return results;
} catch (qsaError) {
nonnativeSelectorCache(selector, true);
} finally {
if (nid === expando) {
context.removeAttribute("id");
}
}
}
}
}
// All others
return select(selector.replace(rtrim, "$1"), context, results, seed);
}
function createCache() {
var keys = [];
function cache(key, value) {
// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
if (keys.push(key + " ") > Expr.cacheLength) {
// Only keep the most recent entries
delete cache[keys.shift()];
}
return (cache[key + " "] = value);
}
return cache;
}
/**
* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/
function markFunction(fn) {
fn[expando] = true;
return fn;
}
/**
* Support testing using an element
* @param {Function} fn Passed the created element and returns a boolean result
*/
function assert(fn) {
var el = document.createElement("fieldset");
try {
return !!fn(el);
} catch (e) {
return false;
} finally {
// Remove from its parent by default
if (el.parentNode) {
el.parentNode.removeChild(el);
}
// release memory in IE
el = null;
}
}
/**
* Adds the same handler for all of the specified attrs
* @param {String} attrs Pipe-separated list of attributes
* @param {Function} handler The method that will be applied
*/
function addHandle(attrs, handler) {
var arr = attrs.split("|"),
i = arr.length;
while (i--) {
Expr.attrHandle[arr[i]] = handler;
}
}
/**
* Checks document order of two siblings
* @param {Element} a
* @param {Element} b
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
*/
function siblingCheck(a, b) {
var cur = b && a,
diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
a.sourceIndex - b.sourceIndex;
// Use IE sourceIndex if available on both nodes
if (diff) {
return diff;
}
// Check if b follows a
if (cur) {
while ((cur = cur.nextSibling)) {
if (cur === b) {
return -1;
}
}
}
return a ? 1 : -1;
}
/**
* Returns a function to use in pseudos for input types
* @param {String} type
*/
function createInputPseudo(type) {
return function(elem) {
var name = elem.nodeName.toLowerCase();
return name === "input" && elem.type === type;
};
}
/**
* Returns a function to use in pseudos for buttons
* @param {String} type
*/
function createButtonPseudo(type) {
return function(elem) {
var name = elem.nodeName.toLowerCase();
return (name === "input" || name === "button") && elem.type === type;
};
}
/**
* Returns a function to use in pseudos for :enabled/:disabled
* @param {Boolean} disabled true for :disabled; false for :enabled
*/
function createDisabledPseudo(disabled) {
// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
return function(elem) {
if ("form" in elem) {
// All such elements have a "form" property.
if (elem.parentNode && elem.disabled === false) {
// Option elements defer to a parent optgroup if present
if ("label" in elem) {
if ("label" in elem.parentNode) {
return elem.parentNode.disabled === disabled;
} else {
return elem.disabled === disabled;
}
}
// Support: IE 6 - 11
// Use the isDisabled shortcut property to check for disabled fieldset ancestors
return elem.isDisabled === disabled ||
// Where there is no isDisabled, check manually
/* jshint -W018 */
elem.isDisabled !== !disabled &&
inDisabledFieldset(elem) === disabled;
}
return elem.disabled === disabled;
// Try to winnow out elements that can't be disabled before trusting the disabled property.
// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
// even exist on them, let alone have a boolean value.
} else if ("label" in elem) {
return elem.disabled === disabled;
}
// Remaining elements are neither :enabled nor :disabled
return false;
};
}
/**
* Returns a function to use in pseudos for positionals
* @param {Function} fn
*/
function createPositionalPseudo(fn) {
return markFunction(function(argument) {
argument = +argument;
return markFunction(function(seed, matches) {
var j,
matchIndexes = fn([], seed.length, argument),
i = matchIndexes.length;
// Match elements found at the specified indexes
while (i--) {
if (seed[(j = matchIndexes[i])]) {
seed[j] = !(matches[j] = seed[j]);
}
}
});
});
}
/**
* Checks a node for validity as a Sizzle context
* @param {Element|Object=} context
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
*/
function testContext(context) {
return context && typeof context.getElementsByTagName !== "undefined" && context;
}
// Expose support vars for convenience
support = Sizzle.support = {};
isXML = Sizzle.isXML = function(elem) {
var namespace = elem && elem.namespaceURI,
docElem = elem && (elem.ownerDocument || elem).documentElement;
return !rhtml.test(namespace || docElem && docElem.nodeName || "HTML");
};
setDocument = Sizzle.setDocument = function(node) {
var hasCompare, subWindow,
doc = node ? node.ownerDocument || node : preferredDoc;
// Return early if doc is invalid or already selected
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if (doc == document || doc.nodeType !== 9 || !doc.documentElement) {
return document;
}
// Update global variables
document = doc;
docElem = document.documentElement;
documentIsHTML = !isXML(document);
if (preferredDoc != document &&
(subWindow = document.defaultView) && subWindow.top !== subWindow) {
// Support: IE 11, Edge
if (subWindow.addEventListener) {
subWindow.addEventListener("unload", unloadHandler, false);
// Support: IE 9 - 10 only
} else if (subWindow.attachEvent) {
subWindow.attachEvent("onunload", unloadHandler);
}
}
support.scope = assert(function(el) {
docElem.appendChild(el).appendChild(document.createElement("div"));
return typeof el.querySelectorAll !== "undefined" &&
!el.querySelectorAll(":scope fieldset div").length;
});
/* Attributes
---------------------------------------------------------------------- */
// Support: IE<8
// Verify that getAttribute really returns attributes and not properties
// (excepting IE8 booleans)
support.attributes = assert(function(el) {
el.className = "i";
return !el.getAttribute("className");
});
/* getElement(s)By*
---------------------------------------------------------------------- */
// Check if getElementsByTagName("*") returns only elements
support.getElementsByTagName = assert(function(el) {
el.appendChild(document.createComment(""));
return !el.getElementsByTagName("*").length;
});
// Support: IE<9
support.getElementsByClassName = rnative.test(document.getElementsByClassName);
// Support: IE<10
// Check if getElementById returns elements by name
// The broken getElementById methods don't pick up programmatically-set names,
// so use a roundabout getElementsByName test
support.getById = assert(function(el) {
docElem.appendChild(el).id = expando;
return !document.getElementsByName || !document.getElementsByName(expando).length;
});
// ID filter and find
if (support.getById) {
Expr.filter["ID"] = function(id) {
var attrId = id.replace(runescape, funescape);
return function(elem) {
return elem.getAttribute("id") === attrId;
};
};
Expr.find["ID"] = function(id, context) {
if (typeof context.getElementById !== "undefined" && documentIsHTML) {
var elem = context.getElementById(id);
return elem ? [elem] : [];
}
};
} else {
Expr.filter["ID"] = function(id) {
var attrId = id.replace(runescape, funescape);
return function(elem) {
var node = typeof elem.getAttributeNode !== "undefined" &&
elem.getAttributeNode("id");
return node && node.value === attrId;
};
};
// Support: IE 6 - 7 only
// getElementById is not reliable as a find shortcut
Expr.find["ID"] = function(id, context) {
if (typeof context.getElementById !== "undefined" && documentIsHTML) {
var node, i, elems,
elem = context.getElementById(id);
if (elem) {
// Verify the id attribute
node = elem.getAttributeNode("id");
if (node && node.value === id) {
return [elem];
}
// Fall back on getElementsByName
elems = context.getElementsByName(id);
i = 0;
while ((elem = elems[i++])) {
node = elem.getAttributeNode("id");
if (node && node.value === id) {
return [elem];
}
}
}
return [];
}
};
}
// Tag
Expr.find["TAG"] = support.getElementsByTagName ?
function(tag, context) {
if (typeof context.getElementsByTagName !== "undefined") {
return context.getElementsByTagName(tag);
// DocumentFragment nodes don't have gEBTN
} else if (support.qsa) {
return context.querySelectorAll(tag);
}
} :
function(tag, context) {
var elem,
tmp = [],
i = 0,
// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
results = context.getElementsByTagName(tag);
// Filter out possible comments
if (tag === "*") {
while ((elem = results[i++])) {
if (elem.nodeType === 1) {
tmp.push(elem);
}
}
return tmp;
}
return results;
};
// Class
Expr.find["CLASS"] = support.getElementsByClassName && function(className, context) {
if (typeof context.getElementsByClassName !== "undefined" && documentIsHTML) {
return context.getElementsByClassName(className);
}
};
/* QSA/matchesSelector
---------------------------------------------------------------------- */
// QSA and matchesSelector support
rbuggyMatches = [];
rbuggyQSA = [];
if ((support.qsa = rnative.test(document.querySelectorAll))) {
// Build QSA regex
// Regex strategy adopted from Diego Perini
assert(function(el) {
var input;
// Select is set to empty string on purpose
// This is to test IE's treatment of not explicitly
// setting a boolean content attribute,
// since its presence should be enough
docElem.appendChild(el).innerHTML = "" +
"";
if (el.querySelectorAll("[msallowcapture^='']").length) {
rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")");
}
// Support: IE8
// Boolean attributes and "value" are not treated correctly
if (!el.querySelectorAll("[selected]").length) {
rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")");
}
if (!el.querySelectorAll("[id~=" + expando + "-]").length) {
rbuggyQSA.push("~=");
}
// Support: IE 11+, Edge 15 - 18+
// IE 11/Edge don't find elements on a `[name='']` query in some cases.
// Adding a temporary attribute to the document before the selection works
// around the issue.
// Interestingly, IE 10 & older don't seem to have the issue.
input = document.createElement("input");
input.setAttribute("name", "");
el.appendChild(input);
if (!el.querySelectorAll("[name='']").length) {
rbuggyQSA.push("\\[" + whitespace + "*name" + whitespace + "*=" +
whitespace + "*(?:''|\"\")");
}
if (!el.querySelectorAll(":checked").length) {
rbuggyQSA.push(":checked");
}
// Support: Safari 8+, iOS 8+
// In-page `selector#id sibling-combinator selector` fails
if (!el.querySelectorAll("a#" + expando + "+*").length) {
rbuggyQSA.push(".#.+[+~]");
}
el.querySelectorAll("\\\f");
rbuggyQSA.push("[\\r\\n\\f]");
});
assert(function(el) {
el.innerHTML = "" +
"";
// Support: Windows 8 Native Apps
// The type and name attributes are restricted during .innerHTML assignment
var input = document.createElement("input");
input.setAttribute("type", "hidden");
el.appendChild(input).setAttribute("name", "D");
// Support: IE8
// Enforce case-sensitivity of name attribute
if (el.querySelectorAll("[name=d]").length) {
rbuggyQSA.push("name" + whitespace + "*[*^$|!~]?=");
}
// IE8 throws error here and will not see later tests
if (el.querySelectorAll(":enabled").length !== 2) {
rbuggyQSA.push(":enabled", ":disabled");
}
// Support: IE9-11+
// IE's :disabled selector does not pick up the children of disabled fieldsets
docElem.appendChild(el).disabled = true;
if (el.querySelectorAll(":disabled").length !== 2) {
rbuggyQSA.push(":enabled", ":disabled");
}
// Support: Opera 10 - 11 only
// Opera 10-11 does not throw on post-comma invalid pseudos
el.querySelectorAll("*,:x");
rbuggyQSA.push(",.*:");
});
}
if ((support.matchesSelector = rnative.test((matches = docElem.matches ||
docElem.webkitMatchesSelector ||
docElem.mozMatchesSelector ||
docElem.oMatchesSelector ||
docElem.msMatchesSelector)))) {
assert(function(el) {
// Check to see if it's possible to do matchesSelector
// on a disconnected node (IE 9)
support.disconnectedMatch = matches.call(el, "*");
// This should fail with an exception
// Gecko does not error, returns false instead
matches.call(el, "[s!='']:x");
rbuggyMatches.push("!=", pseudos);
});
}
rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|"));
rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|"));
/* Contains
---------------------------------------------------------------------- */
hasCompare = rnative.test(docElem.compareDocumentPosition);
// Element contains another
// Purposefully self-exclusive
// As in, an element does not contain itself
contains = hasCompare || rnative.test(docElem.contains) ?
function(a, b) {
var adown = a.nodeType === 9 ? a.documentElement : a,
bup = b && b.parentNode;
return a === bup || !!(bup && bup.nodeType === 1 && (
adown.contains ?
adown.contains(bup) :
a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16
));
} :
function(a, b) {
if (b) {
while ((b = b.parentNode)) {
if (b === a) {
return true;
}
}
}
return false;
};
/* Sorting
---------------------------------------------------------------------- */
// Document order sorting
sortOrder = hasCompare ?
function(a, b) {
// Flag for duplicate removal
if (a === b) {
hasDuplicate = true;
return 0;
}
// Sort on method existence if only one input has compareDocumentPosition
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
if (compare) {
return compare;
}
// Calculate position if both inputs belong to the same document
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
compare = (a.ownerDocument || a) == (b.ownerDocument || b) ?
a.compareDocumentPosition(b) :
// Otherwise we know they are disconnected
1;
// Disconnected nodes
if (compare & 1 ||
(!support.sortDetached && b.compareDocumentPosition(a) === compare)) {
// Choose the first element that is related to our preferred document
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if (a == document || a.ownerDocument == preferredDoc &&
contains(preferredDoc, a)) {
return -1;
}
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if (b == document || b.ownerDocument == preferredDoc &&
contains(preferredDoc, b)) {
return 1;
}
// Maintain original order
return sortInput ?
(indexOf(sortInput, a) - indexOf(sortInput, b)) :
0;
}
return compare & 4 ? -1 : 1;
} :
function(a, b) {
// Exit early if the nodes are identical
if (a === b) {
hasDuplicate = true;
return 0;
}
var cur,
i = 0,
aup = a.parentNode,
bup = b.parentNode,
ap = [a],
bp = [b];
// Parentless nodes are either documents or disconnected
if (!aup || !bup) {
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
/* eslint-disable eqeqeq */
return a == document ? -1 :
b == document ? 1 :
/* eslint-enable eqeqeq */
aup ? -1 :
bup ? 1 :
sortInput ?
(indexOf(sortInput, a) - indexOf(sortInput, b)) :
0;
// If the nodes are siblings, we can do a quick check
} else if (aup === bup) {
return siblingCheck(a, b);
}
// Otherwise we need full lists of their ancestors for comparison
cur = a;
while ((cur = cur.parentNode)) {
ap.unshift(cur);
}
cur = b;
while ((cur = cur.parentNode)) {
bp.unshift(cur);
}
// Walk down the tree looking for a discrepancy
while (ap[i] === bp[i]) {
i++;
}
return i ?
// Do a sibling check if the nodes have a common ancestor
siblingCheck(ap[i], bp[i]) :
// Otherwise nodes in our document sort first
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
/* eslint-disable eqeqeq */
ap[i] == preferredDoc ? -1 :
bp[i] == preferredDoc ? 1 :
/* eslint-enable eqeqeq */
0;
};
return document;
};
Sizzle.matches = function(expr, elements) {
return Sizzle(expr, null, null, elements);
};
Sizzle.matchesSelector = function(elem, expr) {
setDocument(elem);
if (support.matchesSelector && documentIsHTML &&
!nonnativeSelectorCache[expr + " "] &&
(!rbuggyMatches || !rbuggyMatches.test(expr)) &&
(!rbuggyQSA || !rbuggyQSA.test(expr))) {
try {
var ret = matches.call(elem, expr);
// IE 9's matchesSelector returns false on disconnected nodes
if (ret || support.disconnectedMatch ||
// As well, disconnected nodes are said to be in a document
// fragment in IE 9
elem.document && elem.document.nodeType !== 11) {
return ret;
}
} catch (e) {
nonnativeSelectorCache(expr, true);
}
}
return Sizzle(expr, document, null, [elem]).length > 0;
};
Sizzle.contains = function(context, elem) {
// Set document vars if needed
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if ((context.ownerDocument || context) != document) {
setDocument(context);
}
return contains(context, elem);
};
Sizzle.attr = function(elem, name) {
// Set document vars if needed
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if ((elem.ownerDocument || elem) != document) {
setDocument(elem);
}
var fn = Expr.attrHandle[name.toLowerCase()],
val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ?
fn(elem, name, !documentIsHTML) :
undefined;
return val !== undefined ?
val :
support.attributes || !documentIsHTML ?
elem.getAttribute(name) :
(val = elem.getAttributeNode(name)) && val.specified ?
val.value :
null;
};
Sizzle.escape = function(sel) {
return (sel + "").replace(rcssescape, fcssescape);
};
Sizzle.error = function(msg) {
throw new Error("Syntax error, unrecognized expression: " + msg);
};
/**
* Document sorting and removing duplicates
* @param {ArrayLike} results
*/
Sizzle.uniqueSort = function(results) {
var elem,
duplicates = [],
j = 0,
i = 0;
// Unless we *know* we can detect duplicates, assume their presence
hasDuplicate = !support.detectDuplicates;
sortInput = !support.sortStable && results.slice(0);
results.sort(sortOrder);
if (hasDuplicate) {
while ((elem = results[i++])) {
if (elem === results[i]) {
j = duplicates.push(i);
}
}
while (j--) {
results.splice(duplicates[j], 1);
}
}
// Clear input after sorting to release objects
sortInput = null;
return results;
};
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
getText = Sizzle.getText = function(elem) {
var node,
ret = "",
i = 0,
nodeType = elem.nodeType;
if (!nodeType) {
// If no nodeType, this is expected to be an array
while ((node = elem[i++])) {
// Do not traverse comment nodes
ret += getText(node);
}
} else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
// Use textContent for elements
// innerText usage removed for consistency of new lines (jQuery #11153)
if (typeof elem.textContent === "string") {
return elem.textContent;
} else {
// Traverse its children
for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
ret += getText(elem);
}
}
} else if (nodeType === 3 || nodeType === 4) {
return elem.nodeValue;
}
// Do not include comment or processing instruction nodes
return ret;
};
Expr = Sizzle.selectors = {
// Can be adjusted by the user
cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
attrHandle: {},
find: {},
relative: {
">": { dir: "parentNode", first: true },
" ": { dir: "parentNode" },
"+": { dir: "previousSibling", first: true },
"~": { dir: "previousSibling" }
},
preFilter: {
"ATTR": function(match) {
match[1] = match[1].replace(runescape, funescape);
// Move the given value to match[3] whether quoted or unquoted
match[3] = (match[3] || match[4] ||
match[5] || "").replace(runescape, funescape);
if (match[2] === "~=") {
match[3] = " " + match[3] + " ";
}
return match.slice(0, 4);
},
"CHILD": function(match) {
/* matches from matchExpr["CHILD"]
1 type (only|nth|...)
2 what (child|of-type)
3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
4 xn-component of xn+y argument ([+-]?\d*n|)
5 sign of xn-component
6 x of xn-component
7 sign of y-component
8 y of y-component
*/
match[1] = match[1].toLowerCase();
if (match[1].slice(0, 3) === "nth") {
// nth-* requires argument
if (!match[3]) {
Sizzle.error(match[0]);
}
// numeric x and y parameters for Expr.filter.CHILD
// remember that false/true cast respectively to 0/1
match[4] = +(match[4] ?
match[5] + (match[6] || 1) :
2 * (match[3] === "even" || match[3] === "odd"));
match[5] = +((match[7] + match[8]) || match[3] === "odd");
// other types prohibit arguments
} else if (match[3]) {
Sizzle.error(match[0]);
}
return match;
},
"PSEUDO": function(match) {
var excess,
unquoted = !match[6] && match[2];
if (matchExpr["CHILD"].test(match[0])) {
return null;
}
// Accept quoted arguments as-is
if (match[3]) {
match[2] = match[4] || match[5] || "";
// Strip excess characters from unquoted arguments
} else if (unquoted && rpseudo.test(unquoted) &&
// Get excess from tokenize (recursively)
(excess = tokenize(unquoted, true)) &&
// advance to the next closing parenthesis
(excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {
// excess is a negative index
match[0] = match[0].slice(0, excess);
match[2] = unquoted.slice(0, excess);
}
// Return only captures needed by the pseudo filter method (type and argument)
return match.slice(0, 3);
}
},
filter: {
"TAG": function(nodeNameSelector) {
var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
return nodeNameSelector === "*" ?
function() {
return true;
} :
function(elem) {
return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
};
},
"CLASS": function(className) {
var pattern = classCache[className + " "];
return pattern ||
(pattern = new RegExp("(^|" + whitespace +
")" + className + "(" + whitespace + "|$)")) && classCache(
className,
function(elem) {
return pattern.test(
typeof elem.className === "string" && elem.className ||
typeof elem.getAttribute !== "undefined" &&
elem.getAttribute("class") ||
""
);
});
},
"ATTR": function(name, operator, check) {
return function(elem) {
var result = Sizzle.attr(elem, name);
if (result == null) {
return operator === "!=";
}
if (!operator) {
return true;
}
result += "";
/* eslint-disable max-len */
return operator === "=" ? result === check :
operator === "!=" ? result !== check :
operator === "^=" ? check && result.indexOf(check) === 0 :
operator === "*=" ? check && result.indexOf(check) > -1 :
operator === "$=" ? check && result.slice(-check.length) === check :
operator === "~=" ? (" " + result.replace(rwhitespace, " ") + " ").indexOf(check) > -1 :
operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" :
false;
/* eslint-enable max-len */
};
},
"CHILD": function(type, what, _argument, first, last) {
var simple = type.slice(0, 3) !== "nth",
forward = type.slice(-4) !== "last",
ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n)
function(elem) {
return !!elem.parentNode;
} :
function(elem, _context, xml) {
var cache, uniqueCache, outerCache, node, nodeIndex, start,
dir = simple !== forward ? "nextSibling" : "previousSibling",
parent = elem.parentNode,
name = ofType && elem.nodeName.toLowerCase(),
useCache = !xml && !ofType,
diff = false;
if (parent) {
// :(first|last|only)-(child|of-type)
if (simple) {
while (dir) {
node = elem;
while ((node = node[dir])) {
if (ofType ?
node.nodeName.toLowerCase() === name :
node.nodeType === 1) {
return false;
}
}
// Reverse direction for :only-* (if we haven't yet done so)
start = dir = type === "only" && !start && "nextSibling";
}
return true;
}
start = [forward ? parent.firstChild : parent.lastChild];
// non-xml :nth-child(...) stores cache data on `parent`
if (forward && useCache) {
// Seek `elem` from a previously-cached index
// ...in a gzip-friendly way
node = parent;
outerCache = node[expando] || (node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
cache = uniqueCache[type] || [];
nodeIndex = cache[0] === dirruns && cache[1];
diff = nodeIndex && cache[2];
node = nodeIndex && parent.childNodes[nodeIndex];
while ((node = ++nodeIndex && node && node[dir] ||
// Fallback to seeking `elem` from the start
(diff = nodeIndex = 0) || start.pop())) {
// When found, cache indexes on `parent` and break
if (node.nodeType === 1 && ++diff && node === elem) {
uniqueCache[type] = [dirruns, nodeIndex, diff];
break;
}
}
} else {
// Use previously-cached element index if available
if (useCache) {
// ...in a gzip-friendly way
node = elem;
outerCache = node[expando] || (node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
cache = uniqueCache[type] || [];
nodeIndex = cache[0] === dirruns && cache[1];
diff = nodeIndex;
}
// xml :nth-child(...)
// or :nth-last-child(...) or :nth(-last)?-of-type(...)
if (diff === false) {
// Use the same loop as above to seek `elem` from the start
while ((node = ++nodeIndex && node && node[dir] ||
(diff = nodeIndex = 0) || start.pop())) {
if ((ofType ?
node.nodeName.toLowerCase() === name :
node.nodeType === 1) &&
++diff) {
// Cache the index of each encountered element
if (useCache) {
outerCache = node[expando] ||
(node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
uniqueCache[type] = [dirruns, diff];
}
if (node === elem) {
break;
}
}
}
}
}
// Incorporate the offset, then check against cycle size
diff -= last;
return diff === first || (diff % first === 0 && diff / first >= 0);
}
};
},
"PSEUDO": function(pseudo, argument) {
var args,
fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] ||
Sizzle.error("unsupported pseudo: " + pseudo);
// The user may use createPseudo to indicate that
// arguments are needed to create the filter function
// just as Sizzle does
if (fn[expando]) {
return fn(argument);
}
// But maintain support for old signatures
if (fn.length > 1) {
args = [pseudo, pseudo, "", argument];
return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ?
markFunction(function(seed, matches) {
var idx,
matched = fn(seed, argument),
i = matched.length;
while (i--) {
idx = indexOf(seed, matched[i]);
seed[idx] = !(matches[idx] = matched[i]);
}
}) :
function(elem) {
return fn(elem, 0, args);
};
}
return fn;
}
},
pseudos: {
// Potentially complex pseudos
"not": markFunction(function(selector) {
// Trim the selector passed to compile
// to avoid treating leading and trailing
// spaces as combinators
var input = [],
results = [],
matcher = compile(selector.replace(rtrim, "$1"));
return matcher[expando] ?
markFunction(function(seed, matches, _context, xml) {
var elem,
unmatched = matcher(seed, null, xml, []),
i = seed.length;
// Match elements unmatched by `matcher`
while (i--) {
if ((elem = unmatched[i])) {
seed[i] = !(matches[i] = elem);
}
}
}) :
function(elem, _context, xml) {
input[0] = elem;
matcher(input, null, xml, results);
// Don't keep the element (issue #299)
input[0] = null;
return !results.pop();
};
}),
"has": markFunction(function(selector) {
return function(elem) {
return Sizzle(selector, elem).length > 0;
};
}),
"contains": markFunction(function(text) {
text = text.replace(runescape, funescape);
return function(elem) {
return (elem.textContent || getText(elem)).indexOf(text) > -1;
};
}),
"lang": markFunction(function(lang) {
// lang value must be a valid identifier
if (!ridentifier.test(lang || "")) {
Sizzle.error("unsupported lang: " + lang);
}
lang = lang.replace(runescape, funescape).toLowerCase();
return function(elem) {
var elemLang;
do {
if ((elemLang = documentIsHTML ?
elem.lang :
elem.getAttribute("xml:lang") || elem.getAttribute("lang"))) {
elemLang = elemLang.toLowerCase();
return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
}
} while ((elem = elem.parentNode) && elem.nodeType === 1);
return false;
};
}),
// Miscellaneous
"target": function(elem) {
var hash = window.location && window.location.hash;
return hash && hash.slice(1) === elem.id;
},
"root": function(elem) {
return elem === docElem;
},
"focus": function(elem) {
return elem === document.activeElement &&
(!document.hasFocus || document.hasFocus()) &&
!!(elem.type || elem.href || ~elem.tabIndex);
},
// Boolean properties
"enabled": createDisabledPseudo(false),
"disabled": createDisabledPseudo(true),
"checked": function(elem) {
var nodeName = elem.nodeName.toLowerCase();
return (nodeName === "input" && !!elem.checked) ||
(nodeName === "option" && !!elem.selected);
},
"selected": function(elem) {
// Accessing this property makes selected-by-default
// options in Safari work properly
if (elem.parentNode) {
// eslint-disable-next-line no-unused-expressions
elem.parentNode.selectedIndex;
}
return elem.selected === true;
},
// Contents
"empty": function(elem) {
for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
if (elem.nodeType < 6) {
return false;
}
}
return true;
},
"parent": function(elem) {
return !Expr.pseudos["empty"](elem);
},
// Element/input types
"header": function(elem) {
return rheader.test(elem.nodeName);
},
"input": function(elem) {
return rinputs.test(elem.nodeName);
},
"button": function(elem) {
var name = elem.nodeName.toLowerCase();
return name === "input" && elem.type === "button" || name === "button";
},
"text": function(elem) {
var attr;
return elem.nodeName.toLowerCase() === "input" &&
elem.type === "text" &&
// Support: IE<8
// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
((attr = elem.getAttribute("type")) == null ||
attr.toLowerCase() === "text");
},
// Position-in-collection
"first": createPositionalPseudo(function() {
return [0];
}),
"last": createPositionalPseudo(function(_matchIndexes, length) {
return [length - 1];
}),
"eq": createPositionalPseudo(function(_matchIndexes, length, argument) {
return [argument < 0 ? argument + length : argument];
}),
"even": createPositionalPseudo(function(matchIndexes, length) {
var i = 0;
for (; i < length; i += 2) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"odd": createPositionalPseudo(function(matchIndexes, length) {
var i = 1;
for (; i < length; i += 2) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"lt": createPositionalPseudo(function(matchIndexes, length, argument) {
var i = argument < 0 ?
argument + length :
argument > length ?
length :
argument;
for (; --i >= 0;) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"gt": createPositionalPseudo(function(matchIndexes, length, argument) {
var i = argument < 0 ? argument + length : argument;
for (; ++i < length;) {
matchIndexes.push(i);
}
return matchIndexes;
})
}
};
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos
for (i in { radio: true, checkbox: true, file: true, password: true, image: true }) {
Expr.pseudos[i] = createInputPseudo(i);
}
for (i in { submit: true, reset: true }) {
Expr.pseudos[i] = createButtonPseudo(i);
}
// Easy API for creating new setFilters
function setFilters() {}
setFilters.prototype = Expr.filters = Expr.pseudos;
Expr.setFilters = new setFilters();
tokenize = Sizzle.tokenize = function(selector, parseOnly) {
var matched, match, tokens, type,
soFar, groups, preFilters,
cached = tokenCache[selector + " "];
if (cached) {
return parseOnly ? 0 : cached.slice(0);
}
soFar = selector;
groups = [];
preFilters = Expr.preFilter;
while (soFar) {
// Comma and first run
if (!matched || (match = rcomma.exec(soFar))) {
if (match) {
// Don't consume trailing commas as valid
soFar = soFar.slice(match[0].length) || soFar;
}
groups.push((tokens = []));
}
matched = false;
// Combinators
if ((match = rcombinators.exec(soFar))) {
matched = match.shift();
tokens.push({
value: matched,
// Cast descendant combinators to space
type: match[0].replace(rtrim, " ")
});
soFar = soFar.slice(matched.length);
}
// Filters
for (type in Expr.filter) {
if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] ||
(match = preFilters[type](match)))) {
matched = match.shift();
tokens.push({
value: matched,
type: type,
matches: match
});
soFar = soFar.slice(matched.length);
}
}
if (!matched) {
break;
}
}
// Return the length of the invalid excess
// if we're just parsing
// Otherwise, throw an error or return tokens
return parseOnly ?
soFar.length :
soFar ?
Sizzle.error(selector) :
// Cache the tokens
tokenCache(selector, groups).slice(0);
};
function toSelector(tokens) {
var i = 0,
len = tokens.length,
selector = "";
for (; i < len; i++) {
selector += tokens[i].value;
}
return selector;
}
function addCombinator(matcher, combinator, base) {
var dir = combinator.dir,
skip = combinator.next,
key = skip || dir,
checkNonElements = base && key === "parentNode",
doneName = done++;
return combinator.first ?
// Check against closest ancestor/preceding element
function(elem, context, xml) {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
return matcher(elem, context, xml);
}
}
return false;
} :
// Check against all ancestor/preceding elements
function(elem, context, xml) {
var oldCache, uniqueCache, outerCache,
newCache = [dirruns, doneName];
// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
if (xml) {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
if (matcher(elem, context, xml)) {
return true;
}
}
}
} else {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
outerCache = elem[expando] || (elem[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[elem.uniqueID] ||
(outerCache[elem.uniqueID] = {});
if (skip && skip === elem.nodeName.toLowerCase()) {
elem = elem[dir] || elem;
} else if ((oldCache = uniqueCache[key]) &&
oldCache[0] === dirruns && oldCache[1] === doneName) {
// Assign to newCache so results back-propagate to previous elements
return (newCache[2] = oldCache[2]);
} else {
// Reuse newcache so results back-propagate to previous elements
uniqueCache[key] = newCache;
// A match means we're done; a fail means we have to keep checking
if ((newCache[2] = matcher(elem, context, xml))) {
return true;
}
}
}
}
}
return false;
};
}
function elementMatcher(matchers) {
return matchers.length > 1 ?
function(elem, context, xml) {
var i = matchers.length;
while (i--) {
if (!matchers[i](elem, context, xml)) {
return false;
}
}
return true;
} :
matchers[0];
}
function multipleContexts(selector, contexts, results) {
var i = 0,
len = contexts.length;
for (; i < len; i++) {
Sizzle(selector, contexts[i], results);
}
return results;
}
function condense(unmatched, map, filter, context, xml) {
var elem,
newUnmatched = [],
i = 0,
len = unmatched.length,
mapped = map != null;
for (; i < len; i++) {
if ((elem = unmatched[i])) {
if (!filter || filter(elem, context, xml)) {
newUnmatched.push(elem);
if (mapped) {
map.push(i);
}
}
}
}
return newUnmatched;
}
function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
if (postFilter && !postFilter[expando]) {
postFilter = setMatcher(postFilter);
}
if (postFinder && !postFinder[expando]) {
postFinder = setMatcher(postFinder, postSelector);
}
return markFunction(function(seed, results, context, xml) {
var temp, i, elem,
preMap = [],
postMap = [],
preexisting = results.length,
// Get initial elements from seed or context
elems = seed || multipleContexts(
selector || "*",
context.nodeType ? [context] : context, []
),
// Prefilter to get matcher input, preserving a map for seed-results synchronization
matcherIn = preFilter && (seed || !selector) ?
condense(elems, preMap, preFilter, context, xml) :
elems,
matcherOut = matcher ?
// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
postFinder || (seed ? preFilter : preexisting || postFilter) ?
// ...intermediate processing is necessary
[] :
// ...otherwise use results directly
results :
matcherIn;
// Find primary matches
if (matcher) {
matcher(matcherIn, matcherOut, context, xml);
}
// Apply postFilter
if (postFilter) {
temp = condense(matcherOut, postMap);
postFilter(temp, [], context, xml);
// Un-match failing elements by moving them back to matcherIn
i = temp.length;
while (i--) {
if ((elem = temp[i])) {
matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
}
}
}
if (seed) {
if (postFinder || preFilter) {
if (postFinder) {
// Get the final matcherOut by condensing this intermediate into postFinder contexts
temp = [];
i = matcherOut.length;
while (i--) {
if ((elem = matcherOut[i])) {
// Restore matcherIn since elem is not yet a final match
temp.push((matcherIn[i] = elem));
}
}
postFinder(null, (matcherOut = []), temp, xml);
}
// Move matched elements from seed to results to keep them synchronized
i = matcherOut.length;
while (i--) {
if ((elem = matcherOut[i]) &&
(temp = postFinder ? indexOf(seed, elem) : preMap[i]) > -1) {
seed[temp] = !(results[temp] = elem);
}
}
}
// Add elements to results, through postFinder if defined
} else {
matcherOut = condense(
matcherOut === results ?
matcherOut.splice(preexisting, matcherOut.length) :
matcherOut
);
if (postFinder) {
postFinder(null, results, matcherOut, xml);
} else {
push.apply(results, matcherOut);
}
}
});
}
function matcherFromTokens(tokens) {
var checkContext, matcher, j,
len = tokens.length,
leadingRelative = Expr.relative[tokens[0].type],
implicitRelative = leadingRelative || Expr.relative[" "],
i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s)
matchContext = addCombinator(function(elem) {
return elem === checkContext;
}, implicitRelative, true),
matchAnyContext = addCombinator(function(elem) {
return indexOf(checkContext, elem) > -1;
}, implicitRelative, true),
matchers = [function(elem, context, xml) {
var ret = (!leadingRelative && (xml || context !== outermostContext)) || (
(checkContext = context).nodeType ?
matchContext(elem, context, xml) :
matchAnyContext(elem, context, xml));
// Avoid hanging onto element (issue #299)
checkContext = null;
return ret;
}];
for (; i < len; i++) {
if ((matcher = Expr.relative[tokens[i].type])) {
matchers = [addCombinator(elementMatcher(matchers), matcher)];
} else {
matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches);
// Return special upon seeing a positional matcher
if (matcher[expando]) {
// Find the next relative operator (if any) for proper handling
j = ++i;
for (; j < len; j++) {
if (Expr.relative[tokens[j].type]) {
break;
}
}
return setMatcher(
i > 1 && elementMatcher(matchers),
i > 1 && toSelector(
// If the preceding token was a descendant combinator, insert an implicit any-element `*`
tokens
.slice(0, i - 1)
.concat({ value: tokens[i - 2].type === " " ? "*" : "" })
).replace(rtrim, "$1"),
matcher,
i < j && matcherFromTokens(tokens.slice(i, j)),
j < len && matcherFromTokens((tokens = tokens.slice(j))),
j < len && toSelector(tokens)
);
}
matchers.push(matcher);
}
}
return elementMatcher(matchers);
}
function matcherFromGroupMatchers(elementMatchers, setMatchers) {
var bySet = setMatchers.length > 0,
byElement = elementMatchers.length > 0,
superMatcher = function(seed, context, xml, results, outermost) {
var elem, j, matcher,
matchedCount = 0,
i = "0",
unmatched = seed && [],
setMatched = [],
contextBackup = outermostContext,
// We must always have either seed elements or outermost context
elems = seed || byElement && Expr.find["TAG"]("*", outermost),
// Use integer dirruns iff this is the outermost matcher
dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
len = elems.length;
if (outermost) {
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
outermostContext = context == document || context || outermost;
}
// Add elements passing elementMatchers directly to results
// Support: IE<9, Safari
// Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id
for (; i !== len && (elem = elems[i]) != null; i++) {
if (byElement && elem) {
j = 0;
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if (!context && elem.ownerDocument != document) {
setDocument(elem);
xml = !documentIsHTML;
}
while ((matcher = elementMatchers[j++])) {
if (matcher(elem, context || document, xml)) {
results.push(elem);
break;
}
}
if (outermost) {
dirruns = dirrunsUnique;
}
}
// Track unmatched elements for set filters
if (bySet) {
// They will have gone through all possible matchers
if ((elem = !matcher && elem)) {
matchedCount--;
}
// Lengthen the array for every element, matched or not
if (seed) {
unmatched.push(elem);
}
}
}
// `i` is now the count of elements visited above, and adding it to `matchedCount`
// makes the latter nonnegative.
matchedCount += i;
// Apply set filters to unmatched elements
// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
// no element matchers and no seed.
// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
// case, which will result in a "00" `matchedCount` that differs from `i` but is also
// numerically zero.
if (bySet && i !== matchedCount) {
j = 0;
while ((matcher = setMatchers[j++])) {
matcher(unmatched, setMatched, context, xml);
}
if (seed) {
// Reintegrate element matches to eliminate the need for sorting
if (matchedCount > 0) {
while (i--) {
if (!(unmatched[i] || setMatched[i])) {
setMatched[i] = pop.call(results);
}
}
}
// Discard index placeholder values to get only actual matches
setMatched = condense(setMatched);
}
// Add matches to results
push.apply(results, setMatched);
// Seedless set matches succeeding multiple successful matchers stipulate sorting
if (outermost && !seed && setMatched.length > 0 &&
(matchedCount + setMatchers.length) > 1) {
Sizzle.uniqueSort(results);
}
}
// Override manipulation of globals by nested matchers
if (outermost) {
dirruns = dirrunsUnique;
outermostContext = contextBackup;
}
return unmatched;
};
return bySet ?
markFunction(superMatcher) :
superMatcher;
}
compile = Sizzle.compile = function(selector, match /* Internal Use Only */ ) {
var i,
setMatchers = [],
elementMatchers = [],
cached = compilerCache[selector + " "];
if (!cached) {
// Generate a function of recursive functions that can be used to check each element
if (!match) {
match = tokenize(selector);
}
i = match.length;
while (i--) {
cached = matcherFromTokens(match[i]);
if (cached[expando]) {
setMatchers.push(cached);
} else {
elementMatchers.push(cached);
}
}
// Cache the compiled function
cached = compilerCache(
selector,
matcherFromGroupMatchers(elementMatchers, setMatchers)
);
// Save selector and tokenization
cached.selector = selector;
}
return cached;
};
/**
* A low-level selection function that works with Sizzle's compiled
* selector functions
* @param {String|Function} selector A selector or a pre-compiled
* selector function built with Sizzle.compile
* @param {Element} context
* @param {Array} [results]
* @param {Array} [seed] A set of elements to match against
*/
select = Sizzle.select = function(selector, context, results, seed) {
var i, tokens, token, type, find,
compiled = typeof selector === "function" && selector,
match = !seed && tokenize((selector = compiled.selector || selector));
results = results || [];
// Try to minimize operations if there is only one selector in the list and no seed
// (the latter of which guarantees us context)
if (match.length === 1) {
// Reduce context if the leading compound selector is an ID
tokens = match[0] = match[0].slice(0);
if (tokens.length > 2 && (token = tokens[0]).type === "ID" &&
context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) {
context = (Expr.find["ID"](token.matches[0]
.replace(runescape, funescape), context) || [])[0];
if (!context) {
return results;
// Precompiled matchers will still verify ancestry, so step up a level
} else if (compiled) {
context = context.parentNode;
}
selector = selector.slice(tokens.shift().value.length);
}
// Fetch a seed set for right-to-left matching
i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length;
while (i--) {
token = tokens[i];
// Abort if we hit a combinator
if (Expr.relative[(type = token.type)]) {
break;
}
if ((find = Expr.find[type])) {
// Search, expanding context for leading sibling combinators
if ((seed = find(
token.matches[0].replace(runescape, funescape),
rsibling.test(tokens[0].type) && testContext(context.parentNode) ||
context
))) {
// If seed is empty or no tokens remain, we can return early
tokens.splice(i, 1);
selector = seed.length && toSelector(tokens);
if (!selector) {
push.apply(results, seed);
return results;
}
break;
}
}
}
}
// Compile and execute a filtering function if one is not provided
// Provide `match` to avoid retokenization if we modified the selector above
(compiled || compile(selector, match))(
seed,
context, !documentIsHTML,
results, !context || rsibling.test(selector) && testContext(context.parentNode) || context
);
return results;
};
// One-time assignments
// Sort stability
support.sortStable = expando.split("").sort(sortOrder).join("") === expando;
// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
support.detectDuplicates = !!hasDuplicate;
// Initialize against the default document
setDocument();
// Detached nodes confoundingly follow *each other*
support.sortDetached = assert(function(el) {
// Should return 1, but returns 4 (following)
return el.compareDocumentPosition(document.createElement("fieldset")) & 1;
});
if (!assert(function(el) {
el.innerHTML = "";
return el.firstChild.getAttribute("href") === "#";
})) {
addHandle("type|href|height|width", function(elem, name, isXML) {
if (!isXML) {
return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2);
}
});
}
// Support: IE<9
// Use defaultValue in place of getAttribute("value")
if (!support.attributes || !assert(function(el) {
el.innerHTML = "";
el.firstChild.setAttribute("value", "");
return el.firstChild.getAttribute("value") === "";
})) {
addHandle("value", function(elem, _name, isXML) {
if (!isXML && elem.nodeName.toLowerCase() === "input") {
return elem.defaultValue;
}
});
}
// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
if (!assert(function(el) {
return el.getAttribute("disabled") == null;
})) {
addHandle(booleans, function(elem, name, isXML) {
var val;
if (!isXML) {
return elem[name] === true ? name.toLowerCase() :
(val = elem.getAttributeNode(name)) && val.specified ?
val.value :
null;
}
});
}
return Sizzle;
})(window);
jQuery.find = Sizzle;
jQuery.expr = Sizzle.selectors;
// Deprecated
jQuery.expr[":"] = jQuery.expr.pseudos;
jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
jQuery.text = Sizzle.getText;
jQuery.isXMLDoc = Sizzle.isXML;
jQuery.contains = Sizzle.contains;
jQuery.escapeSelector = Sizzle.escape;
var dir = function(elem, dir, until) {
var matched = [],
truncate = until !== undefined;
while ((elem = elem[dir]) && elem.nodeType !== 9) {
if (elem.nodeType === 1) {
if (truncate && jQuery(elem).is(until)) {
break;
}
matched.push(elem);
}
}
return matched;
};
var siblings = function(n, elem) {
var matched = [];
for (; n; n = n.nextSibling) {
if (n.nodeType === 1 && n !== elem) {
matched.push(n);
}
}
return matched;
};
var rneedsContext = jQuery.expr.match.needsContext;
function nodeName(elem, name) {
return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
}
var rsingleTag = (/^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i);
// Implement the identical functionality for filter and not
function winnow(elements, qualifier, not) {
if (isFunction(qualifier)) {
return jQuery.grep(elements, function(elem, i) {
return !!qualifier.call(elem, i, elem) !== not;
});
}
// Single element
if (qualifier.nodeType) {
return jQuery.grep(elements, function(elem) {
return (elem === qualifier) !== not;
});
}
// Arraylike of elements (jQuery, arguments, Array)
if (typeof qualifier !== "string") {
return jQuery.grep(elements, function(elem) {
return (indexOf.call(qualifier, elem) > -1) !== not;
});
}
// Filtered directly for both simple and complex selectors
return jQuery.filter(qualifier, elements, not);
}
jQuery.filter = function(expr, elems, not) {
var elem = elems[0];
if (not) {
expr = ":not(" + expr + ")";
}
if (elems.length === 1 && elem.nodeType === 1) {
return jQuery.find.matchesSelector(elem, expr) ? [elem] : [];
}
return jQuery.find.matches(expr, jQuery.grep(elems, function(elem) {
return elem.nodeType === 1;
}));
};
jQuery.fn.extend({
find: function(selector) {
var i, ret,
len = this.length,
self = this;
if (typeof selector !== "string") {
return this.pushStack(jQuery(selector).filter(function() {
for (i = 0; i < len; i++) {
if (jQuery.contains(self[i], this)) {
return true;
}
}
}));
}
ret = this.pushStack([]);
for (i = 0; i < len; i++) {
jQuery.find(selector, self[i], ret);
}
return len > 1 ? jQuery.uniqueSort(ret) : ret;
},
filter: function(selector) {
return this.pushStack(winnow(this, selector || [], false));
},
not: function(selector) {
return this.pushStack(winnow(this, selector || [], true));
},
is: function(selector) {
return !!winnow(
this,
// If this is a positional/relative selector, check membership in the returned set
// so $("p:first").is("p:last") won't return true for a doc with two "p".
typeof selector === "string" && rneedsContext.test(selector) ?
jQuery(selector) :
selector || [],
false
).length;
}
});
// Initialize a jQuery object
// A central reference to the root jQuery(document)
var rootjQuery,
// A simple way to check for HTML strings
// Prioritize #id over to avoid XSS via location.hash (#9521)
// Strict HTML recognition (#11290: must start with <)
// Shortcut simple #id case for speed
rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
init = jQuery.fn.init = function(selector, context, root) {
var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false)
if (!selector) {
return this;
}
// Method init() accepts an alternate rootjQuery
// so migrate can support jQuery.sub (gh-2101)
root = root || rootjQuery;
// Handle HTML strings
if (typeof selector === "string") {
if (selector[0] === "<" &&
selector[selector.length - 1] === ">" &&
selector.length >= 3) {
// Assume that strings that start and end with <> are HTML and skip the regex check
match = [null, selector, null];
} else {
match = rquickExpr.exec(selector);
}
// Match html or make sure no context is specified for #id
if (match && (match[1] || !context)) {
// HANDLE: $(html) -> $(array)
if (match[1]) {
context = context instanceof jQuery ? context[0] : context;
// Option to run scripts is true for back-compat
// Intentionally let the error be thrown if parseHTML is not present
jQuery.merge(this, jQuery.parseHTML(
match[1],
context && context.nodeType ? context.ownerDocument || context : document,
true
));
// HANDLE: $(html, props)
if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
for (match in context) {
// Properties of context are called as methods if possible
if (isFunction(this[match])) {
this[match](context[match]);
// ...and otherwise set as attributes
} else {
this.attr(match, context[match]);
}
}
}
return this;
// HANDLE: $(#id)
} else {
elem = document.getElementById(match[2]);
if (elem) {
// Inject the element directly into the jQuery object
this[0] = elem;
this.length = 1;
}
return this;
}
// HANDLE: $(expr, $(...))
} else if (!context || context.jquery) {
return (context || root).find(selector);
// HANDLE: $(expr, context)
// (which is just equivalent to: $(context).find(expr)
} else {
return this.constructor(context).find(selector);
}
// HANDLE: $(DOMElement)
} else if (selector.nodeType) {
this[0] = selector;
this.length = 1;
return this;
// HANDLE: $(function)
// Shortcut for document ready
} else if (isFunction(selector)) {
return root.ready !== undefined ?
root.ready(selector) :
// Execute immediately if ready is not present
selector(jQuery);
}
return jQuery.makeArray(selector, this);
};
// Give the init function the jQuery prototype for later instantiation
init.prototype = jQuery.fn;
// Initialize central reference
rootjQuery = jQuery(document);
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// Methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = {
children: true,
contents: true,
next: true,
prev: true
};
jQuery.fn.extend({
has: function(target) {
var targets = jQuery(target, this),
l = targets.length;
return this.filter(function() {
var i = 0;
for (; i < l; i++) {
if (jQuery.contains(this, targets[i])) {
return true;
}
}
});
},
closest: function(selectors, context) {
var cur,
i = 0,
l = this.length,
matched = [],
targets = typeof selectors !== "string" && jQuery(selectors);
// Positional selectors never match, since there's no _selection_ context
if (!rneedsContext.test(selectors)) {
for (; i < l; i++) {
for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) {
// Always skip document fragments
if (cur.nodeType < 11 && (targets ?
targets.index(cur) > -1 :
// Don't pass non-elements to Sizzle
cur.nodeType === 1 &&
jQuery.find.matchesSelector(cur, selectors))) {
matched.push(cur);
break;
}
}
}
}
return this.pushStack(matched.length > 1 ? jQuery.uniqueSort(matched) : matched);
},
// Determine the position of an element within the set
index: function(elem) {
// No argument, return index in parent
if (!elem) {
return (this[0] && this[0].parentNode) ? this.first().prevAll().length : -1;
}
// Index in selector
if (typeof elem === "string") {
return indexOf.call(jQuery(elem), this[0]);
}
// Locate the position of the desired element
return indexOf.call(this,
// If it receives a jQuery object, the first element is used
elem.jquery ? elem[0] : elem
);
},
add: function(selector, context) {
return this.pushStack(
jQuery.uniqueSort(
jQuery.merge(this.get(), jQuery(selector, context))
)
);
},
addBack: function(selector) {
return this.add(selector == null ?
this.prevObject : this.prevObject.filter(selector)
);
}
});
function sibling(cur, dir) {
while ((cur = cur[dir]) && cur.nodeType !== 1) {}
return cur;
}
jQuery.each({
parent: function(elem) {
var parent = elem.parentNode;
return parent && parent.nodeType !== 11 ? parent : null;
},
parents: function(elem) {
return dir(elem, "parentNode");
},
parentsUntil: function(elem, _i, until) {
return dir(elem, "parentNode", until);
},
next: function(elem) {
return sibling(elem, "nextSibling");
},
prev: function(elem) {
return sibling(elem, "previousSibling");
},
nextAll: function(elem) {
return dir(elem, "nextSibling");
},
prevAll: function(elem) {
return dir(elem, "previousSibling");
},
nextUntil: function(elem, _i, until) {
return dir(elem, "nextSibling", until);
},
prevUntil: function(elem, _i, until) {
return dir(elem, "previousSibling", until);
},
siblings: function(elem) {
return siblings((elem.parentNode || {}).firstChild, elem);
},
children: function(elem) {
return siblings(elem.firstChild);
},
contents: function(elem) {
if (elem.contentDocument != null &&
// Support: IE 11+
//