Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36
Chrome 93
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
floor 1595781.8 Ops/sec
~~ 2487623.0 Ops/sec
>> 0 2566290.8 Ops/sec
| 0 2585881.2 Ops/sec
<< 0 2588736.2 Ops/sec
& 0xFFFFFFFFFFFF 2583721.2 Ops/sec
^ 0x000000000000 2561516.5 Ops/sec
Math.trunc() 1642339.9 Ops/sec
x - (x % 1) 1943866.1 Ops/sec
parseInt() 1875273.0 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()