JavaScript bitwise NOT vs Math.floor()

JavaScript performance comparison

Revision 37 of this test case created by fds

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var test = 0;

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Math.floor()
var test;
function isVerticalMovement(k){
      return ~[3, 4].indexOf(k);
    }
for (var i = 0; i < 1000000; i++) {
  test = isVerticalMovement(i);
}
pending…
bitwise NOT
var test;
function isVerticalMovement(k){
      return [3, 4].indexOf(k) +1;
    }
for (var i = 0; i < 1000000; i++) {
  test = isVerticalMovement(i);
}
pending…

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