rtrim = /^\s+|\s+$/g,
// Match a standalone tag
- rsingleTag = /^<(\w+)\s*\/?>$/,
+ rsingleTag = /<(\w+)\s*\/?>(?:<\/\1>)?$/,
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
// Save a reference to some core methods
toString = Object.prototype.toString,
+ hasOwnProperty = Object.prototype.hasOwnProperty,
push = Array.prototype.push,
slice = Array.prototype.slice,
indexOf = Array.prototype.indexOf;
// Handle $(DOMElement)
if ( selector.nodeType ) {
this.context = this[0] = selector;
- this.length++;
+ this.length = 1;
return this;
}
}
// Otherwise, we inject the element directly into the jQuery object
- this.length++;
+ this.length = 1;
this[0] = elem;
}
clone = src;
} else if ( jQuery.isArray(copy) ) {
clone = [];
- } else if ( jQuery.isObject(copy) ) {
+ } else if ( jQuery.isObjectLiteral(copy) ) {
clone = {};
} else {
clone = copy;
return toString.call(obj) === "[object Array]";
},
- isObject: function( obj ) {
- return this.constructor.call(obj) === Object;
+ isObjectLiteral: function( obj ) {
+ if ( toString.call(obj) !== "[object Object]" ) {
+ return false;
+ }
+
+ // not own constructor property must be Object
+ if ( obj.constructor
+ && !hasOwnProperty.call(obj, "constructor")
+ && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+ return false;
+ }
+
+ //own properties are iterated firstly,
+ //so to speed up, we can test last one if it is own or not
+
+ var key;
+ for ( key in obj ) {}
+
+ return key === undefined || hasOwnProperty.call( obj, key );
},
isEmptyObject: function( obj ) {
},
inArray: function( elem, array ) {
+ if ( array.indexOf ) {
+ return array.indexOf( elem );
+ }
+
for ( var i = 0, length = array.length; i < length; i++ ) {
if ( array[ i ] === elem ) {
return i;