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Run results for:
for-in vs object.keys vs object.values for objects perf
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=623176" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
8 months ago
Benchmark engine:
Benchmark.js
Object.values
376K/s
Object.keys
366K/s
for-in
366K/s
View exact numbers
Test name
Executions per second
✓
Object.values
375,573 Ops/sec
Object.keys
365,655 Ops/sec
for-in
365,590 Ops/sec
Script Preparation code:
var obj =[...new Array(1)].map(x=>({id:x,name:x}));
Tests:
for-in
for (var key in obj) { console.log(obj[key].id); }
Object.keys
Object.keys(obj).forEach(key => console.log(obj[key].id));
Object.values
Object.values(obj).forEach(n => console.log(n.id));