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Run results for:
Fastest way to check if object is empty (3)
You don't need to make add for loops in your test scenarios, the benchmark does it itself.
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<iframe src="https://measurethat.net/Embed?id=578088" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
for let in
26.7M/s
object.keys()
19.9M/s
JSON.stringify()
6.2M/s
View exact numbers
Test name
Executions per second
✓
for let in
26,659,404 Ops/sec
object.keys()
19,897,354 Ops/sec
JSON.stringify()
6,201,612 Ops/sec
Tests:
object.keys()
var xxx = {} Object.keys(xxx) === 0
JSON.stringify()
var xxx = {} JSON.stringify(xxx) === "{}"
for let in
var xxx = {}; var isEmpty = true; for (let key in xxx) { isEmpty = false; break; }