Make sure that .die() with no args works. Fixes #5789.

[jquery.git] / src / event.js

diff --git a/src/event.js b/src/event.js
index 0128dc5..a4b8f6c 100644 (file)
--- a/src/event.js
+++ b/src/event.js
@@ -661,14 +661,14 @@ function testChange( e ) {
                data = jQuery.data( elem, "_change_data" );
                val = getVal(elem);
 
-               if ( val === data ) {
-                       return;
-               }
-
                // the current data will be also retrieved by beforeactivate
                if ( e.type !== "focusout" || elem.type !== "radio" ) {
                        jQuery.data( elem, "_change_data", val );
                }
+               
+               if ( data === undefined || val === data ) {
+                       return;
+               }
 
                if ( data != null || val ) {
                        e.type = "change";
@@ -850,9 +850,9 @@ jQuery.each(["live", "die"], function( i, name ) {
                        data = undefined;
                }
 
-               types = types.split( /\s+/ );
+               types = (types || "").split( /\s+/ );
 
-               while ( (type = types[ i++ ]) ) {
+               while ( (type = types[ i++ ]) != null ) {
                        type = type === "focus" ? "focusin" : // focus --> focusin
                                        type === "blur" ? "focusout" : // blur --> focusout
                                        type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
@@ -934,7 +934,7 @@ function liveHandler( event ) {
 }
 
 function liveConvert( type, selector ) {
-       return ["live", type, selector.replace(/\./g, "`").replace(/ /g, "&")].join(".");
+       return "live." + (type ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&");
 }
 
 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +