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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Chrome 138
Windows
Desktop
one year ago
x - (x % 1)
17.6M/s
floor
17.3M/s
parseInt()
17.1M/s
>> 0
16.7M/s
| 0
16.6M/s
Math.trunc()
16.6M/s
~~
16.4M/s
^ 0x000000000000
16.0M/s
& 0xFFFFFFFFFFFF
15.9M/s
<< 0
15.7M/s
View exact numbers
Test name Executions per second
✓ x - (x % 1) 17,606,738 Ops/sec
floor 17,262,338 Ops/sec
parseInt() 17,086,316 Ops/sec
>> 0 16,705,312 Ops/sec
| 0 16,649,745 Ops/sec
Math.trunc() 16,645,143 Ops/sec
~~ 16,387,851 Ops/sec
^ 0x000000000000 15,969,099 Ops/sec
& 0xFFFFFFFFFFFF 15,900,117 Ops/sec
<< 0 15,704,503 Ops/sec
Script Preparation code:
Tests: