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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=578100" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
object.keys()
77749976.0 Ops/sec
JSON.stringify()
22727492.0 Ops/sec
for let in
101723672.0 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; }