Test case details

Preparation Code

var ar = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];

Test cases

Test #1

if (i in ar) { for (var i = 0, l = ar.length; i < l; i++) {  if (ar[i] === 5) {   break;  } } }

Test #2

var a = ar.indexOf(5);