Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Object.create(null) vs {} unknown property
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=505967" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Object.create(null);
407/s
key in Object.create(null)
405/s
{}
354/s
key in {}
336/s
View exact numbers
Test name
Executions per second
✓
Object.create(null);
407 Ops/sec
key in Object.create(null)
405 Ops/sec
{}
354 Ops/sec
key in {}
336 Ops/sec
Tests:
Object.create(null);
const obj = Object.create(null); const result = []; for (i = 0; i < 100_000; i++) { result.push(obj[i]); }
{}
const obj = {}; const result = []; for (i = 0; i < 100_000; i++) { result.push(obj[i]); }
key in Object.create(null)
const obj = Object.create(null); const result = []; for (i = 0; i < 100_000; i++) { result.push(i in obj); }
key in {}
const obj = {}; const result = []; for (i = 0; i < 100_000; i++) { result.push(i in obj); }