Test case details

Preparation Code

<script src="//ajax.googleapis.com/ajax/libs/ext-core/3.1.0/ext-core.js"></script> <script>   var pi = Math.PI   var a = new Array(10000),       e; </script>

Test cases

Test #1

var length = a.length; for (var i = 0, len = length; i < len; i++) {  e = pi; };

Test #2

Ext.each(a, function() {  e = pi; });

Test #3

a.forEach(function() {  e = pi; });