Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36
Chrome 75
Windows
Desktop
5 years ago
Test name Executions per second
floor 2061537.9 Ops/sec
~~ 3473940.5 Ops/sec
>> 0 3490224.5 Ops/sec
| 0 3480388.5 Ops/sec
<< 0 3471241.2 Ops/sec
& 0xFFFFFFFFFFFF 3457381.2 Ops/sec
^ 0x000000000000 3506765.0 Ops/sec
Math.trunc() 2088087.4 Ops/sec
x - (x % 1) 2482571.8 Ops/sec
parseInt() 2078274.2 Ops/sec
Script Preparation code:
Tests:
  • floor

  • ~~

  • >> 0

  • | 0

  • << 0

  • & 0xFFFFFFFFFFFF

  • ^ 0x000000000000

  • Math.trunc()

  • x - (x % 1)

  • parseInt()