Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36
Chrome 84
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
floor 3185452.2 Ops/sec
~~ 5854555.0 Ops/sec
>> 0 6088157.5 Ops/sec
| 0 6083621.5 Ops/sec
<< 0 6118009.0 Ops/sec
& 0xFFFFFFFFFFFF 5852304.0 Ops/sec
^ 0x000000000000 6098505.0 Ops/sec
Math.trunc() 3267666.0 Ops/sec
x - (x % 1) 4187088.5 Ops/sec
parseInt() 3280104.0 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()