Run results for: floor() vs trunc() vs bitwise hacks (~~, >> 0, etc)

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0
Firefox 121
Mac OS X 10.15
Desktop
2 years ago
x - (x % 1)
750.4M/s
parseInt()
713.3M/s
^ 0x000000000000
712.7M/s
<< 0
712.2M/s
Math.trunc()
711.8M/s
~~
711.3M/s
& 0xFFFFFFFFFFFF
710.6M/s
>> 0
710.3M/s
floor
708.6M/s
| 0
707.1M/s
View exact numbers
Test name Executions per second
✓ x - (x % 1) 750,387,392 Ops/sec
parseInt() 713,280,768 Ops/sec
^ 0x000000000000 712,732,032 Ops/sec
<< 0 712,164,992 Ops/sec
Math.trunc() 711,838,144 Ops/sec
~~ 711,341,568 Ops/sec
& 0xFFFFFFFFFFFF 710,580,416 Ops/sec
>> 0 710,273,024 Ops/sec
floor 708,621,376 Ops/sec
| 0 707,148,992 Ops/sec
Script Preparation code:
Tests: