Run results for: array find vs object key

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Object[key]

1577.9M/s

find

1050.2M/s

View exact numbers

Test name	Executions per second
✓ Object[key]	1,577,858,304 Ops/sec
find	1,050,238,528 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']