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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

x - (x % 1)

626.9M/s

Math.trunc()

607.1M/s

floor

594.3M/s

| 0

553.5M/s

544.5M/s

^ 0x000000000000

538.2M/s

& 0xFFFFFFFFFFFF

531.4M/s

parseInt()

531.3M/s

<< 0

520.6M/s

>> 0

491.4M/s

View exact numbers

Script Preparation code:

var x = Math.random() * 100000000;
var y;

Tests: