Run results for: unshift vs push array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

push

239K/s

unshift

9K/s

View exact numbers

Test name	Executions per second
✓ push	239,190 Ops/sec
unshift	8,883 Ops/sec

Script Preparation code:

var itemsArray = [];

for (let i = 0; i < 100000; i++) {
	itemsArray.push(i)
}

Tests: