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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

x - (x % 1)

999.3M/s

parseInt()

217.1M/s

Math.trunc()

208.9M/s

^ 0x000000000000

207.7M/s

<< 0

206.5M/s

| 0

204.9M/s

& 0xFFFFFFFFFFFF

204.9M/s

>> 0

202.5M/s

198.6M/s

floor

190.7M/s

View exact numbers

Script Preparation code:

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

Tests: