array includes vs object key -1
Date tested:
9 months ago
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Test name
Executions per second
array.includes
25362622.0 Ops/sec
obj[key]
24070768.0 Ops/sec
Benchmark definition (click to collapse):
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:
array.includes
array.includes('sausage')
obj[key]
!!obj['sausage']
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