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Run results for:
for-in vs object.keys vs object.values for objects perf multiple incoming values
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<iframe src="https://measurethat.net/Embed?id=625018" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Browser:
Chrome 143
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
5 months ago
Object.keys
31.3M/s
Object.values
23.3M/s
for-in
16.3M/s
View exact numbers
Test name
Executions per second
✓
Object.keys
31,337,946 Ops/sec
Object.values
23,337,756 Ops/sec
for-in
16,297,844 Ops/sec
Script Preparation code:
var obj =[...new Array(1)].map(x=>({id:x,name:x}));
Tests:
for-in
for (var key in obj) { }
Object.keys
Object.keys(obj).forEach(key => {});
Object.values
Object.values(obj).forEach(n => {});