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Run results for:
Spread vs Assing vs JSON
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=600429" 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/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Spread
52.3M/s
Assign
20.3M/s
JSON
3.1M/s
View exact numbers
Test name
Executions per second
✓
Spread
52,304,412 Ops/sec
Assign
20,276,866 Ops/sec
JSON
3,062,369 Ops/sec
Tests:
JSON
var obj = {a:'foo',b:'bar'}; var obj2 = JSON.parse(JSON.stringify(obj));
Assign
var obj = {a:'foo',b:'bar'}; var obj2 = Object.assign({}, obj);
Spread
var obj = {a:'foo',b:'bar'}; var obj2 = {...obj};