Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
floor 6514370.5 Ops/sec
~~ 12252459.0 Ops/sec
>> 0 12158169.0 Ops/sec
| 0 12279495.0 Ops/sec
<< 0 12274421.0 Ops/sec
& 0xFFFFFFFFFFFF 12279050.0 Ops/sec
^ 0x000000000000 12270631.0 Ops/sec
Math.trunc() 6518465.0 Ops/sec
x - (x % 1) 6024006.0 Ops/sec
parseInt() 6555019.0 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()