Use .one() when doing a .bind() with an "unload" event type (#1242)

diff --git a/src/event/event.js b/src/event/event.js
index 77a404648c692c092c176afd0ceb15a8dc241afd..a1a0825dc17bda8801e5d356965dfbc4a2c30e27 100644 (file)
--- a/src/event/event.js
+++ b/src/event/event.js
@@ -250,6 +250,9 @@ jQuery.fn.extend({
         * data as the second parameter (and the handler function as the third), see 
         * second example.
         *
+        * Calling bind with an event type of "unload" will automatically
+        * use the one method instead of bind to prevent memory leaks.
+        *
         * @example $("p").bind("click", function(){
         *   alert( $(this).text() );
         * });
@@ -286,7 +289,7 @@ jQuery.fn.extend({
         * @cat Events
         */
        bind: function( type, data, fn ) {
-               return this.each(function(){
+               return type == "unload" ? this.one(type, data, fn) : this.each(function(){
                        jQuery.event.add( this, type, fn || data, fn && data );
                });
        },