Test case details

Preparation Code

<script>   T = function(i) {     this.i = i;   };   var ar = [];   for (var i = 0; i < 1000; i++)   ar[i] = new T(i);   w = ar[990] </script>

Test cases

Test #1

for (var i = 0; i < ar.length; i++) {   if (ar[i] === w) {     break;   } }

Test #2

for (var i = 0, n = ar.length; i < n; i++) {   if (ar[i] === w) {     break;   } }

Test #3

var a = ar.indexOf(w);