Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.0 Safari/537.36 Edg/87.0.669.0
Chrome 87
Windows
Desktop
4 years ago
Test name Executions per second
floor 367538.5 Ops/sec
~~ 766938.3 Ops/sec
>> 0 935894.1 Ops/sec
| 0 954203.1 Ops/sec
<< 0 673674.0 Ops/sec
& 0xFFFFFFFFFFFF 703846.1 Ops/sec
^ 0x000000000000 676970.9 Ops/sec
Math.trunc() 469261.0 Ops/sec
x - (x % 1) 612393.4 Ops/sec
parseInt() 485986.8 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()