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Run results for:
hasOwnPropery vs Loop vs if ... in vs Object.entries
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<iframe src="https://measurethat.net/Embed?id=493408" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15
Browser:
Safari 17
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
hasOwnPropery
20812800.0 Ops/sec
Loop
19035096.0 Ops/sec
if ... in
20324870.0 Ops/sec
Object.entries
3909707.8 Ops/sec
Script Preparation code:
var value = { age: 18, male: true, name: 'Mark', id: 1 }
Tests:
hasOwnPropery
value.hasOwnProperty('name');
Loop
for (const key in value) { if (key === 'name') break; }
if ... in
if ('name' in value) { }
Object.entries
Object.entries(value).find(x => x[0] === 'name')