Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.5
Mobile
2 years ago
Test name Executions per second
floor 4560165.5 Ops/sec
~~ 7388759.5 Ops/sec
>> 0 7396825.0 Ops/sec
| 0 7350357.5 Ops/sec
<< 0 7245578.0 Ops/sec
& 0xFFFFFFFFFFFF 7184303.5 Ops/sec
^ 0x000000000000 7226920.5 Ops/sec
Math.trunc() 4413793.0 Ops/sec
x - (x % 1) 4391635.5 Ops/sec
parseInt() 3196319.2 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()