Benchmark: parseFloat vs slice on unit numbers

Script Preparation code:

const a = 1;
const b = 2;

Tests:

Number
var number = Number('0.54px'.slice(0,-2)); var number2 = Number('1.24px'.slice(0,-2));
parseFloat
var parse = parseFloat('0.54px'); var parse2 = parseFloat('1.24px');
+
var parse = +('0.54px'.slice(0,-2)); var parse2 = +('1.24'.slice(0,-2));

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0

Browser/OS: Chrome 143 on Windows

Number

102.3M/s

96.2M/s

parseFloat

9.5M/s

View exact numbers

parseFloat vs slice on unit numbers (version: 1)