// Define a local copy of jQuery
var jQuery = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced'
- return arguments.length === 0 ?
- rootjQuery :
- new jQuery.fn.init( selector, context );
+ return new jQuery.fn.init( selector, context );
},
// Map over jQuery in case of overwrite
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
+
+ // Has the ready events already been bound?
+ readyBound = false,
+
+ // The functions to execute on DOM ready
+ readyList = [],
// Save a reference to some core methods
toString = Object.prototype.toString,
is: function( selector ) {
return !!selector && jQuery.filter( selector, this ).length > 0;
},
+
+ ready: function( fn ) {
+ // Attach the listeners
+ jQuery.bindReady();
+
+ // If the DOM is already ready
+ if ( jQuery.isReady && !readyList ) {
+ // Execute the function immediately
+ fn.call( document, jQuery );
+
+ // Otherwise, remember the function for later
+ } else {
+ // Add the function to the wait list
+ readyList.push( fn );
+ }
+
+ return this;
+ },
// For internal use only.
// Behaves like an Array's method, not like a jQuery method.
}
// Recurse if we're merging object literal values
- if ( deep && copy && jQuery.isObjectLiteral(copy) ) {
+ if ( deep && copy && jQuery.isPlainObject(copy) ) {
// Don't extend not object literals
- var clone = src && jQuery.isObjectLiteral(src) ? src : {};
+ var clone = src && jQuery.isPlainObject(src) ? src : {};
// Never move original objects, clone them
target[ name ] = jQuery.extend( deep, clone, copy );
return jQuery;
},
+
+ // Is the DOM ready to be used? Set to true once it occurs.
+ isReady: false,
+
+ // Handle when the DOM is ready
+ ready: function() {
+ // Make sure that the DOM is not already loaded
+ if ( !jQuery.isReady ) {
+ if ( !document.body ) {
+ return setTimeout( jQuery.ready, 13 );
+ }
+
+ // Remember that the DOM is ready
+ jQuery.isReady = true;
+
+ // 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 );
+ }
+
+ // Reset the list of functions
+ readyList = null;
+ }
+
+ // Trigger any bound ready events
+ if ( jQuery.fn.triggerHandler ) {
+ jQuery( document ).triggerHandler( "ready" );
+ }
+ }
+ },
+
+ bindReady: function() {
+ if ( readyBound ) { return; }
+ readyBound = true;
+
+ // Catch cases where $(document).ready() is called after the
+ // browser event has already occurred.
+ if ( document.readyState === "complete" ) {
+ return jQuery.ready();
+ }
+
+ // Mozilla, Opera and webkit nightlies currently support this event
+ if ( document.addEventListener ) {
+ // Use the handy event callback
+ document.addEventListener( "DOMContentLoaded", function DOMContentLoaded() {
+ document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
+ jQuery.ready();
+ }, false );
+
+ // A fallback to window.onload, that will always work
+ window.addEventListener( "load", jQuery.ready, false );
+
+ // If IE event model is used
+ } else if ( document.attachEvent ) {
+ // ensure firing before onload,
+ // maybe late but safe also for iframes
+ document.attachEvent("onreadystatechange", function onreadystatechange() {
+ // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
+ if ( document.readyState === "complete" ) {
+ document.detachEvent( "onreadystatechange", onreadystatechange );
+ jQuery.ready();
+ }
+ });
+
+ // A fallback to window.onload, that will always work
+ window.attachEvent( "onload", jQuery.ready );
+
+ // If IE and not a frame
+ // continually check to see if the document is ready
+ var toplevel = false;
+
+ try {
+ toplevel = window.frameElement == null;
+ } catch(e){}
+
+ if ( document.documentElement.doScroll && toplevel ) {
+ doScrollCheck();
+
+ function doScrollCheck() {
+ if ( jQuery.isReady ) {
+ return;
+ }
+
+ try {
+ // If IE is used, use the trick by Diego Perini
+ // http://javascript.nwbox.com/IEContentLoaded/
+ document.documentElement.doScroll("left");
+ } catch( error ) {
+ setTimeout( doScrollCheck, 1 );
+ return;
+ }
+
+ // and execute any waiting functions
+ jQuery.ready();
+ }
+ }
+ }
+ },
// See test/unit/core.js for details concerning isFunction.
// Since version 1.3, DOM methods and functions like alert
return toString.call(obj) === "[object Array]";
},
- isObjectLiteral: function( obj ) {
+ isPlainObject: function( obj ) {
if ( toString.call(obj) !== "[object Object]" || typeof obj.nodeType === "number" ) {
return false;
}
// not own constructor property must be Object
if ( obj.constructor
- && !hasOwnProperty.call(obj, "constructor")
- && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+ && !hasOwnProperty.call(obj, "constructor")
+ && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
return false;
}
return true;
},
- // check if an element is in a (or is an) XML document
- isXMLDoc: function( elem ) {
- // documentElement is verified for cases where it doesn't yet exist
- // (such as loading iframes in IE - #4833)
- var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
- return documentElement ? documentElement.nodeName !== "HTML" : false;
- },
-
// Evalulates a script in a global context
globalEval: function( data ) {
if ( data && rnotwhite.test(data) ) {
script.text = data;
}
- // Use insertBefore instead of appendChild to circumvent an IE6 bug.
+ // Use insertBefore instead of appendChild to circumvent an IE6 bug.
// This arises when a base node is used (#2709).
head.insertBefore( script, head.firstChild );
head.removeChild( script );
if ( array != null ) {
// The window, strings (and functions) also have 'length'
- if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
+ // The extra typeof function check is to prevent crashes
+ // in Safari 2 (See: #3039)
+ if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || (typeof array !== "function" && array.setInterval) ) {
push.call( ret, array );
} else {
jQuery.merge( ret, array );
return ret.concat.apply( [], ret );
},
- // Use of jQuery.browser is deprecated.
- // It's included for backwards compatibility and plugins,
- // although they should work to migrate away.
+ // Use of jQuery.browser is frowned upon.
+ // More details: http://docs.jquery.com/Utilities/jQuery.browser
browser: {
- version: (/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
- safari: /webkit/.test( userAgent ),
+ version: (/.*?(?:firefox|safari|opera|msie)[\/ ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
+ safari: /safari/.test( userAgent ),
opera: /opera/.test( userAgent ),
msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
- mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
+ firefox: /firefox/.test( userAgent )
}
});
+// Deprecated
+jQuery.browser.mozilla = /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent );
+
if ( indexOf ) {
jQuery.inArray = function( elem, array ) {
return indexOf.call( array, elem );
git.asbjorn.biz / jquery.git / blobdiff