If vs. Switch

JavaScript performance comparison

Revision 4 of this test case created by Christopher Hall

Preparation code

<script>
  var j = 230;
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Switch
switch (j) {
case 34:
  void(0);
  break;
case 'hello':
  void(0);
  break;
case null:
  void(0);
  break;
default:
  void(0);
}
pending…
If
if (j == 34) {
  void(0);
} else if (j == 'hello') {
  void(0);
} else if (j == null) {
  void(0);
} else {
  void(0);
}
pending…
Alternate switch
switch (true) {
case j === 34:
  void(0);
  break;
case j === 'hello':
  void(0);
  break;
case j === null:
  void(0);
  break;
default:
  void(0);
}
pending…

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Revisions

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