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Added fix for jQuery.extend( Object, null || undefined ) lapsing back to just jQuery.extend( Object ).

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This commit is contained in:
John Resig 2006-10-15 03:11:02 +00:00
parent af961d58c2
commit c9511ef948
1 changed files with 9 additions and 0 deletions
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9
src/jquery/jquery.js vendored
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@ -1297,8 +1297,17 @@ jQuery.fn = jQuery.prototype = {
* @cat Javascript
*/
jQuery.extend = jQuery.fn.extend = function(obj,prop) {
// Watch for the case where null or undefined gets passed in by accident
if ( arguments.length > 1 && (prop === null || prop == undefined) )
return obj;
// If no property object was provided, then we're extending jQuery
if ( !prop ) { prop = obj; obj = this; }
// Extend the base object
for ( var i in prop ) obj[i] = prop[i];
// Return the modified object
return obj;
};