root / drupal7 / sites / all / libraries / flexslider-2.5.0 / bower_components / jquery / src / core / ready.js @ 0aee3c58
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define([ |
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"../core",
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"../core/init",
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"../deferred"
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], function( jQuery ) {
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// The deferred used on DOM ready
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var readyList;
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jQuery.fn.ready = function( fn ) { |
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// Add the callback
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jQuery.ready.promise().done( fn ); |
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return this; |
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}; |
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jQuery.extend({
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// Is the DOM ready to be used? Set to true once it occurs.
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isReady: false, |
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// A counter to track how many items to wait for before
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// the ready event fires. See #6781
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readyWait: 1, |
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// Hold (or release) the ready event
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holdReady: function( hold ) { |
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if ( hold ) {
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jQuery.readyWait++; |
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} else {
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jQuery.ready( true );
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} |
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}, |
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// Handle when the DOM is ready
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ready: function( wait ) { |
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// Abort if there are pending holds or we're already ready
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if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { |
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return;
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} |
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// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
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if ( !document.body ) {
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return setTimeout( jQuery.ready );
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} |
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// Remember that the DOM is ready
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jQuery.isReady = true;
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// If a normal DOM Ready event fired, decrement, and wait if need be
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if ( wait !== true && --jQuery.readyWait > 0 ) { |
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return;
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} |
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// If there are functions bound, to execute
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readyList.resolveWith( document, [ jQuery ] ); |
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// Trigger any bound ready events
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if ( jQuery.fn.triggerHandler ) {
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jQuery( document ).triggerHandler( "ready" );
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jQuery( document ).off( "ready" );
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} |
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} |
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}); |
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/**
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* Clean-up method for dom ready events
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*/
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function detach() { |
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if ( document.addEventListener ) {
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document.removeEventListener( "DOMContentLoaded", completed, false ); |
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window.removeEventListener( "load", completed, false ); |
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} else {
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document.detachEvent( "onreadystatechange", completed );
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window.detachEvent( "onload", completed );
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} |
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} |
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/**
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* The ready event handler and self cleanup method
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*/
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function completed() { |
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// readyState === "complete" is good enough for us to call the dom ready in oldIE
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if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) { |
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detach(); |
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jQuery.ready(); |
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} |
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} |
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jQuery.ready.promise = function( obj ) { |
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if ( !readyList ) {
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readyList = jQuery.Deferred(); |
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// Catch cases where $(document).ready() is called after the browser event has already occurred.
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// we once tried to use readyState "interactive" here, but it caused issues like the one
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// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
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if ( document.readyState === "complete" ) { |
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// Handle it asynchronously to allow scripts the opportunity to delay ready
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setTimeout( jQuery.ready ); |
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// Standards-based browsers support DOMContentLoaded
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} else if ( document.addEventListener ) { |
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// Use the handy event callback
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document.addEventListener( "DOMContentLoaded", completed, false ); |
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// A fallback to window.onload, that will always work
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window.addEventListener( "load", completed, false ); |
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// If IE event model is used
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} else {
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// Ensure firing before onload, maybe late but safe also for iframes
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document.attachEvent( "onreadystatechange", completed );
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// A fallback to window.onload, that will always work
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window.attachEvent( "onload", completed );
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// If IE and not a frame
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// continually check to see if the document is ready
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var top = false; |
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try {
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top = window.frameElement == null && document.documentElement;
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} catch(e) {}
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if ( top && top.doScroll ) {
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(function doScrollCheck() { |
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if ( !jQuery.isReady ) {
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try {
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// Use the trick by Diego Perini
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// http://javascript.nwbox.com/IEContentLoaded/
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top.doScroll("left");
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} catch(e) {
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return setTimeout( doScrollCheck, 50 ); |
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} |
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// detach all dom ready events
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detach(); |
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// and execute any waiting functions
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jQuery.ready(); |
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} |
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})(); |
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} |
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} |
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} |
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return readyList.promise( obj );
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}; |
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}); |