added 'typeof' check, less ambiguous

diff --git a/skins/common/edit.js b/skins/common/edit.js
index 5249deb..f9a9711 100644 (file)
--- a/skins/common/edit.js
+++ b/skins/common/edit.js
@@ -30,7 +30,7 @@ function mwInsertEditButton(parent, item) {
        image.onclick = function() {
                insertTags(item.tagOpen, item.tagClose, item.sampleText);
                //click tracking
-               if ( ( $j != undefined )  &&  ( $j.trackAction != undefined ) ) {
+               if ( ( typeof $j != 'undefined' )  &&  ( typeof $j.trackAction != 'undefined' ) ) {
                        $j.trackAction("oldedit." + item.speedTip.replace(/ /g, "-"));
                }
                return false;