test/index.html: minor JS improvements.

Remove unused variables, keep style consistent.

test/index.html

@@ -7,12 +7,12 @@
         <script>
             (function() {
                 var verMatch = /v=([\w\.]+)/.exec(location.search),
-                    version = verMatch && verMatch[1], src;
+                    version = verMatch && verMatch[1],
-                    if ( version ) {
+                    src;
+                if (version)
                     src = 'code.jquery.com/jquery-' + version;
-                    } else {
+                else
                     src = 'code.jquery.com/jquery-git';
-                    }
                 document.write('<script src="http://' + src + '.js"><\/script>');
             })();
         </script>
@@ -160,12 +160,12 @@
 
                 $('#test3')
                     .hover(function() { log('#test3: mouseover'); }, function() { log('#test3: mouseout'); })
-                    .mousewheel(function(event, delta, deltaX, deltaY) {
+                    .mousewheel(function() {
                         log('#test3: I should not have been logged');
                     })
                     .unmousewheel();
 
-                var testRemoval = function(event, delta, deltaX, deltaY) {
+                var testRemoval = function() {
                     log('#test4: I should not have been logged');
                 };
 
@@ -203,7 +203,7 @@
 
                 function log(msg) {
                     $('#logger').append('<p>' + msg + '<\/p>')[0].scrollTop = 999999;
-                };
+                }
             });
         </script>
     </head>