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_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Mac OS X 10.15.7
Desktop
one year ago
x - (x % 1)
13.0M/s
floor
13.0M/s
>> 0
13.0M/s
<< 0
12.9M/s
& 0xFFFFFFFFFFFF
12.9M/s
Math.trunc()
12.9M/s
~~
12.9M/s
| 0
12.9M/s
^ 0x000000000000
12.8M/s
parseInt()
12.8M/s
View exact numbers
Test name Executions per second
✓ x - (x % 1) 13,013,598 Ops/sec
floor 12,975,226 Ops/sec
>> 0 12,974,409 Ops/sec
<< 0 12,914,566 Ops/sec
& 0xFFFFFFFFFFFF 12,888,820 Ops/sec
Math.trunc() 12,881,874 Ops/sec
~~ 12,880,146 Ops/sec
| 0 12,879,404 Ops/sec
^ 0x000000000000 12,794,998 Ops/sec
parseInt() 12,776,103 Ops/sec
Script Preparation code:
Tests: