Loop vs map vs forEach vs for in (v22)

Revision 22 of this benchmark created on

Setup

var range = [];
  
  for (var i = 0; i < 10000; i++) {
      range.push(i);
  }

Test runner

Ready to run.

Testing in
TestOps/sec
Map
range.map(function(val) {
    val * 2;
});
ready
Loop
for (var i = 0; i < range.length; i++) {
    range[i] * 2;
}
ready
forEach
range.forEach(function(val) {
    val * 2;
});
ready
for + let
for (let i = 0; i < range.length; i++) {
    range[i] * 2;
}
ready
for in
for (var i in range) {
    range[i] * 2;
}
ready

Revisions

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