Run results for: shift vs pop using length

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; SM-G780F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.91 Mobile Safari/537.36

Browser: Chrome Mobile 90

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Shift	3072.1 Ops/sec
Pop	43922.5 Ops/sec

Tests:

Shift
var n = 0; var t = []; while(n<2048) { t[n] = n++; } n = 0; while(t.length){ t.shift(); }
Pop
var n = 0; var t = []; while(n<2048) { t[n] = n++; } n = 0; while(t.length){ t.pop(); }