// Check for non-word characters
rnonword = /\W/,
+ // Check for digits
+ rdigit = /\d/,
+
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
push = Array.prototype.push,
slice = Array.prototype.slice,
trim = String.prototype.trim,
- indexOf = Array.prototype.indexOf;
+ indexOf = Array.prototype.indexOf,
+
+ // [[Class]] -> type pairs
+ class2type = {};
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
}
// The body element only exists once, optimize finding it
- if ( selector === "body" && !context ) {
+ if ( selector === "body" && !context && document.body ) {
this.context = document;
this[0] = document.body;
this.selector = "body";
this.toArray() :
// Return just the object
- ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
+ ( num < 0 ? this[ this.length + num ] : this[ num ] );
},
// Take an array of elements and push it onto the stack
jQuery.fn.init.prototype = jQuery.fn;
jQuery.extend = jQuery.fn.extend = function() {
- // copy reference to target object
- var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy;
+ 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" ) {
continue;
}
- // Recurse if we're merging object literal values or arrays
- if ( deep && copy && ( jQuery.isPlainObject(copy) || jQuery.isArray(copy) ) ) {
- var clone = src && ( jQuery.isPlainObject(src) || jQuery.isArray(src) ) ? src
- : jQuery.isArray(copy) ? [] : {};
+ // Recurse if we're merging plain objects or arrays
+ if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
+ if ( copyIsArray ) {
+ copyIsArray = false;
+ clone = src && jQuery.isArray(src) ? src : [];
+
+ } else {
+ clone = src && jQuery.isPlainObject(src) ? src : {};
+ }
// Never move original objects, clone them
target[ name ] = jQuery.extend( deep, clone, copy );
if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
if ( !document.body ) {
- return setTimeout( jQuery.ready, 13 );
+ return setTimeout( jQuery.ready, 1 );
}
// Remember that the DOM is ready
// If there are functions bound, to execute
if ( readyList ) {
// Execute all of them
- var fn, i = 0;
- while ( (fn = readyList[ i++ ]) ) {
- fn.call( document, jQuery );
- }
+ var fn,
+ i = 0,
+ ready = readyList;
// Reset the list of functions
readyList = null;
- }
- // Trigger any bound ready events
- if ( jQuery.fn.triggerHandler ) {
- jQuery( document ).triggerHandler( "ready" );
+ while ( (fn = ready[ i++ ]) ) {
+ fn.call( document, jQuery );
+ }
+
+ // Trigger any bound ready events
+ if ( jQuery.fn.trigger ) {
+ jQuery( document ).trigger( "ready" ).unbind( "ready" );
+ }
}
}
},
// Catch cases where $(document).ready() is called after the
// browser event has already occurred.
if ( document.readyState === "complete" ) {
- return jQuery.ready();
+ // Handle it asynchronously to allow scripts the opportunity to delay ready
+ return setTimeout( jQuery.ready, 1 );
}
// Mozilla, Opera and webkit nightlies currently support this event
return jQuery.type(obj) === "array";
},
+ // A crude way of determining if an object is a window
+ isWindow: function( obj ) {
+ return obj && typeof obj === "object" && "setInterval" in obj;
+ },
+
+ isNaN: function( obj ) {
+ return obj == null || !rdigit.test( obj ) || isNaN( obj );
+ },
+
type: function( obj ) {
return obj == null ?
String( obj ) :
- toString.call(obj).slice(8, -1).toLowerCase();
+ class2type[ toString.call(obj) ] || "object";
},
isPlainObject: function( obj ) {
// Must be an Object.
// Because of IE, we also have to check the presence of the constructor property.
// Make sure that DOM nodes and window objects don't pass through, as well
- if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || obj.setInterval ) {
+ if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
return false;
}
// Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
var type = jQuery.type(array);
- if ( array.length == null || type === "string" || type === "function" || type === "regexp" || "setInterval" in array ) {
+ if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
push.call( ret, array );
} else {
jQuery.merge( ret, array );
},
merge: function( first, second ) {
- var i = first.length, j = 0;
+ var i = first.length,
+ j = 0;
if ( typeof second.length === "number" ) {
for ( var l = second.length; j < l; j++ ) {
browser: {}
});
+// Populate the class2type map
+jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
+ class2type[ "[object " + name + "]" ] = name.toLowerCase();
+});
+
browserMatch = jQuery.uaMatch( userAgent );
if ( browserMatch.browser ) {
jQuery.browser[ browserMatch.browser ] = true;