Run results for: indexOf vs while vs for

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15

Browser: Safari 12

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var tt = ['table','tr','td'];
var f = 'tr';

Tests:

while dec
let i = tt.length while (i) { if (tt[--i] === f) return i } return -1
indexOf
return tt.indexOf(f)
for
for (let i = 0, l = tt.length; i<l; ++i) { if (tt[i] === f) return i } return -1