Run results for: pop() vs shift() (and use the value!)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

Browser: Chrome 86

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
pop	17376.8 Ops/sec
shift	17163.1 Ops/sec

Script Preparation code:

var array = [];

for(var i = 0; i < 10000; i++){array.push(Math.random());}

Tests:

pop
let sum = 0; while (array.length) { sum += array.pop(); } console.log(sum);
shift
let sum = 0; while (array.length) { sum += array.shift(); } console.log(sum);