Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Delete vs destructure for objects without mutating
Measure the performance of delete versus removing a prop from an object without mutating
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=604749" 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/136.0.0.0 Safari/537.36 Edg/136.0.0.0
Browser:
Chrome 136
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
delete - assign
3580284.5 Ops/sec
Rest object
3415067.5 Ops/sec
delete - spread operator
4591202.0 Ops/sec
delete - JSON.stringify
3113539.5 Ops/sec
Script Preparation code:
var obj = { a:1, b:2, c:3 }
Tests:
delete - assign
const copy = Object.assign({}, obj); delete obj.a
Rest object
const { a, ...rest } = obj;
delete - spread operator
const copy = { ...obj } delete obj.a
delete - JSON.stringify
const copy = JSON.parse(JSON.stringify(obj)); delete obj.a