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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

x - (x % 1)

1225.5M/s

Math.trunc()

246.6M/s

^ 0x000000000000

246.2M/s

<< 0

246.0M/s

| 0

245.9M/s

245.8M/s

& 0xFFFFFFFFFFFF

245.8M/s

>> 0

245.5M/s

parseInt()

245.2M/s

floor

244.7M/s

View exact numbers

Script Preparation code:

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

Tests: