JavaScript bitwise NOT vs Math.floor() (v35)

Revision 35 of this benchmark created by fds on

Setup

var test = 0;

Test runner

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Testing in
TestOps/sec
Math.floor()
var test;
function isVerticalMovement(k){
      return ~[KEY.UP, KEY.DOWN].indexOf(k);
    }
for (var i = 0; i < 100000; i++) {
  test = isVerticalMovement(i);
}
ready
bitwise NOT
var test;
function isVerticalMovement(k){
      return [KEY.UP, KEY.DOWN].indexOf(k) +1;
    }
for (var i = 0; i < 100000; i++) {
  test = isVerticalMovement(i);
}
ready

Revisions

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