Run results for: String split using regex vs string v2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Split by regex

21.1M/s

Split by string

8.8M/s

View exact numbers

Test name	Executions per second
✓ Split by regex	21,065,774 Ops/sec
Split by string	8,847,064 Ops/sec

Script Preparation code:

var string = 'salut comment ca  va moi test pa adsk ldsj dkjasb kdaj akdajkda     dkna dlkas mas '

Tests:

Split by regex
var res = string.split(/\btest\b/)
Split by string
var str = string.split(' ') var res = [] for (var i = 0; i < str.length; i++) { var s = str[i].trim() if (s) { res.push(s) } }