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Put the split to get the list of promise methods out of the promise method itself and also switched from jQuery.each to a while loop to remove as much overhead as possible. Thanks go to scott_gonzalez for reminding me of this.

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jaubourg 2011-01-16 18:33:32 +01:00
parent c272f5f7da
commit 5798446b98
1 changed files with 9 additions and 4 deletions
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13
src/core.js
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@ -63,6 +63,9 @@ var jQuery = function( selector, context ) {
// The deferred used on DOM ready // The deferred used on DOM ready
readyList, readyList,
// Promise methods
promiseMethods = "then done fail isResolved isRejected promise".split( " " ),
// The ready event handler // The ready event handler
DOMContentLoaded, DOMContentLoaded,
@ -914,16 +917,18 @@ jQuery.extend({
isRejected: failDeferred.isResolved, isRejected: failDeferred.isResolved,
// Get a promise for this deferred // Get a promise for this deferred
// If obj is provided, the promise aspect is added to the object // If obj is provided, the promise aspect is added to the object
promise: function( obj ) { // (i is used internally)
promise: function( obj , i ) {
if ( obj == null ) { if ( obj == null ) {
if ( promise ) { if ( promise ) {
return promise; return promise;
} }
promise = obj = {}; promise = obj = {};
} }
jQuery.each( "then done fail isResolved isRejected promise".split( " " ) , function( _ , method ) { i = promiseMethods.length;
obj[ method ] = deferred[ method ]; while( i-- ) {
}); obj[ promiseMethods[ i ] ] = deferred[ promiseMethods[ i ] ];
}
return obj; return obj;
} }