JS: For loop vs Array.indexOf (v33)

Revision 33 of this benchmark created on

Description

Testing speed of a standard for loop vs. Array.indexOf.

Preparation HTML

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

Test runner

Ready to run.

Testing in
TestOps/sec
For loop
for (var i = 0; i < ar.length; i++) {
  if (ar[i] === 5) {
    break;
  }
}
ready
indexOf
var a = ar.indexOf(5);
ready
synthetic indexOf
function indexOf(array, value) {
  for (var i = 0; i < array.length; i++) {
    if (array[i] === value) {
      break;
    }
    return i;
  }
}

var a = indexOf(ar, 5);
ready

Revisions

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