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Close GH-829: no ticket: smaller jQuery.ready.

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Richard Gibson 2012-06-21 13:40:59 -04:00 committed by timmywil
parent 6cdca88eee
commit 66501469c0
1 changed files with 38 additions and 41 deletions
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79
src/core.js
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@ -367,28 +367,30 @@ jQuery.extend({
// Handle when the DOM is ready
ready: function( wait ) {
// 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 );
}
// Abort if there are pending holds or we're already ready
if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
return;
}
// Remember that the DOM is ready
jQuery.isReady = true;
// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
if ( !document.body ) {
return setTimeout( jQuery.ready, 1 );
}
// If a normal DOM Ready event fired, decrement, and wait if need be
if ( wait !== true && --jQuery.readyWait > 0 ) {
return;
}
// Remember that the DOM is ready
jQuery.isReady = true;
// If there are functions bound, to execute
readyList.resolveWith( document, [ jQuery ] );
// If a normal DOM Ready event fired, decrement, and wait if need be
if ( wait !== true && --jQuery.readyWait > 0 ) {
return;
}
// Trigger any bound ready events
if ( jQuery.fn.trigger ) {
jQuery( document ).trigger( "ready" ).off( "ready" );
}
// If there are functions bound, to execute
readyList.resolveWith( document, [ jQuery ] );
// Trigger any bound ready events
if ( jQuery.fn.trigger ) {
jQuery( document ).trigger("ready").off("ready");
}
},
@ -853,14 +855,28 @@ jQuery.ready.promise = function( object ) {
// If IE and not a frame
// continually check to see if the document is ready
var toplevel = false;
var top = false;
try {
toplevel = window.frameElement == null;
top = window.frameElement == null && document.documentElement;
} catch(e) {}
if ( document.documentElement.doScroll && toplevel ) {
doScrollCheck();
if ( top && top.doScroll ) {
(function doScrollCheck() {
if ( !jQuery.isReady ) {
try {
// Use the trick by Diego Perini
// http://javascript.nwbox.com/IEContentLoaded/
top.doScroll("left");
} catch(e) {
return setTimeout( doScrollCheck, 1 );
}
// and execute any waiting functions
jQuery.ready();
}
})();
}
}
}
@ -891,22 +907,3 @@ if ( core_rnotwhite.test( "\xA0" ) ) {
// All jQuery objects should point back to these
rootjQuery = jQuery(document);
// The DOM ready check for Internet Explorer
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(e) {
setTimeout( doScrollCheck, 1 );
return;
}
// and execute any waiting functions
jQuery.ready();
}