init time vs on call

Benchmark created by Rick Waldron on April 8, 2011

Preparation HTML

<script>
  var indexOf = Array.prototype.indexOf,
      onCall = function(elem, array) {
  
    if (indexOf) {
     return indexOf.call(array, elem);
    }
  
    for (var i = 0, length = array.length; i < length; i++) {
     if (array[i] === elem) {
      return i;
     }
    }
  
    return -1;
      },
      initTime = indexOf ?
      function(elem, array) {
    return indexOf.call(array, elem);
      } : function(elem, array) {
    for (var i = 0, length = array.length; i < length; i++) {
     if (array[i] === elem) {
      return i;
     }
    }
  
    return -1;
      };
</script>

Test runner

onCall([1, 2, 3, 4], 1);

initTime([1, 2, 3, 4], 1);

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by Rick Waldron on April 8, 2011