Run results for: Array.from() vs new Array() + destruct - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
new Array()	907668.8 Ops/sec
Array.from()	33344.6 Ops/sec
new Array() + destruct	419879.6 Ops/sec

Website performance monitoring

Tests:

new Array()
new Array(500).fill(0, 0, 500)
Array.from()
Array.from({ length: 500 }, () => 0)
new Array() + destruct
[...Array(500)].map(() => 0);