Test case details

Preparation Code

<script>   var ar = []; for(var i = 9999; i--;){ ar.push(i); } </script>

Test cases

Test #1

for (var i = 0; i < ar.length; i++) {  if (ar[i] === 9990) {   break;  } }

Test #2

for (var i = 0, n = ar.length; i < n; i++) {  if (ar[i] === 9990) {   break;  } }

Test #3

var a = ar.indexOf(9990);