Run results for: String split using regex vs string

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Browser: Chrome 92

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Split by regex	1347271.0 Ops/sec
Split by string	1948289.0 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) } }