Only call jQuery(this) when needed. Close jquerygh-1260.

Author: jbedard

.mailmap

@@ -33,6 +33,7 @@ Isaac Z. Schlueter <[email protected]>
 Ismail Khair <[email protected]>
 James Burke <[email protected]>
 James Padolsey <[email protected]> <[email protected]>
+Jason Bedard <[email protected]> <[email protected]>
 Jay Merrifield <[email protected]>
 Jay Merrifield <[email protected]> <[email protected]>
 Jean Boussier <[email protected]>

AUTHORS.txt

@@ -167,3 +167,4 @@ Michał Gołębiowski <[email protected]>
 Steven Benner <[email protected]>
 Li Xudong <[email protected]>
 Renato Oliveira dos Santos <[email protected]>
+Jason Bedard <[email protected]>

src/attributes.js

@@ -182,15 +182,14 @@ jQuery.fn.extend({
 		isFunction = jQuery.isFunction( value );
 
 		return this.each(function( i ) {
-			var val,
-				self = jQuery(this);
+			var val;
 
 			if ( this.nodeType !== 1 ) {
 				return;
 			}
 
 			if ( isFunction ) {
-				val = value.call( this, i, self.val() );
+				val = value.call( this, i, jQuery( this ).val() );
 			} else {
 				val = value;
 			}