Run results for: array find vs object key

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

find

16.5M/s

Object[key]

15.6M/s

View exact numbers

Test name	Executions per second
✓ find	16,504,123 Ops/sec
Object[key]	15,637,711 Ops/sec

Script Preparation code:

var obj = (new Array(1000)).fill(null).reduce((prev, newVal) => {prev[Math.random() + ''] = Math.random() + ''; return prev; }, { sausage: 'tst' });
var array = Object.keys(obj);

Tests:

find
array.find((item) => item === 'sausage')
Object[key]
obj['sausage']