Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Windows
Desktop
3 years ago
Test name Executions per second
floor 2728415.2 Ops/sec
~~ 4526887.5 Ops/sec
>> 0 4728442.0 Ops/sec
| 0 4693593.5 Ops/sec
<< 0 4870493.0 Ops/sec
& 0xFFFFFFFFFFFF 4806241.5 Ops/sec
^ 0x000000000000 4851982.5 Ops/sec
Math.trunc() 2739071.0 Ops/sec
x - (x % 1) 3286413.8 Ops/sec
parseInt() 2749621.0 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()