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Create jQuery.holdReady(true/false) method to encapsulate jQuery.readyWait++ / jQuery.ready(true) logic. Fix problem where jQuery.ready may trigger twice, causing the (unsupported) document.onready to run twice. Fixes #8803 .

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This commit is contained in:
Dave Methvin 2011-02-02 21:57:44 -05:00
parent bbd9c776ea
commit 14193e449e
3 changed files with 24 additions and 18 deletions
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18
src/core.js
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@ -374,15 +374,19 @@ jQuery.extend({
// the ready event fires. See #6781
readyWait: 1,
// Hold (or release) the ready event
holdReady: function( hold ) {
if ( hold ) {
jQuery.readyWait++;
} else {
jQuery.ready( true );
}
},
// Handle when the DOM is ready
ready: function( wait ) {
// A third-party is pushing the ready event forwards
if ( wait === true ) {
jQuery.readyWait--;
}
// Make sure that the DOM is not already loaded
if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
// Either a released hold or an DOMready/load event and not yet ready
if ( (wait === true && !--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, 1 );