JS: For loop vs Array.indexOf (v157)

Revision 157 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, n = ar.length; i < n; i++) {
  if (ar[i] === 5) {
    break;
  }
}
ready
indexOf
var a = ar.indexOf(5);
ready
forEach
var indexOf5 = -1;
ar.forEach(function(e, i, a) {
  if (e === 5) {
    indexOf5 = i;
  }
});
ready

Revisions

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