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Fix bug when accessing .data() on an empty set. Return null rather than throwing exception.

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This commit is contained in:
Jacob Wright
2010-09-07 10:51:57 -06:00
committed by jeresig
parent 1f667aa035
commit 626624a19a
2 changed files with 18 additions and 15 deletions
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4
src/data.js
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@@ -129,8 +129,8 @@ jQuery.extend({
jQuery.fn.extend({
data: function( key, value ) {
if ( typeof key === "undefined" && this.length ) {
return jQuery.data( this[0] );
if ( typeof key === "undefined" ) {
return this.length ? jQuery.data( this[0] ) : null;
} else if ( typeof key === "object" ) {
return this.each(function() {