Run results for: Regex match vs While loop

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/118.0

Browser: Firefox 118

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Regex match	1794429.9 Ops/sec
While loop	490234.2 Ops/sec

Tests:

Regex match
const value = "xwdhxwihcdwdu32ihc3wdy23d20&^SWGSHshsqshqjks.HSIhww2hsi19su1hsj010sj10sudsj1s.HISH92i2sn102us1ja1" const re = new RegExp('.{1,20}', 'g'); const chunks = []; const values = value.match(re); const key = "hello-world"; values?.forEach((value, i) => { const name = `${key}.${i}`; chunks.push({ name, value }); });
While loop
const value = "xwdhxwihcdwdu32ihc3wdy23d20&^SWGSHshsqshqjks.HSIhww2hsi19su1hsj010sj10sudsj1s.HISH92i2sn102us1ja1" const chunks = []; const key = "hello-world"; let cookie = Array.from(value); while (cookie.length) { chunks.push({ name: `${key}.${chunks.length}`, value: cookie.splice(0, 20) }); }