Run results for: String split using regex vs string

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:94.0) Gecko/20100101 Firefox/94.0

Browser: Firefox 94

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Split by regex	1037973.0 Ops/sec
Split by string	930935.6 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(/\s+/g)
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) } }