Run results for: split/join vs loop

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36

Browser: Chrome 72

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
split	13423556.0 Ops/sec
loop	1534346.4 Ops/sec

Tests:

split
'abcdefghijklmnopqrstuvwxyz'.split().reverse().join('')
loop
let s = 'abcdefghijklmnopqrstuvwxyz'; let r = ''; for (let i = s.length -1; i >=0; i--) { r+=s[i] }