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JavaScript spread operator vs object update performance test fork
(version: 1)
Comparing performance of:
Using update vs Using Object.assign
Created:
3 months ago
by:
Guest
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Tests:
Using update
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = {...firstObject, ...secondObject}
Using Object.assign
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = Object.assign(firstObject, secondObject);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Using update
Using Object.assign
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
3 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Browser/OS:
Chrome 144 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624180" width="100%" height="500px"></iframe>
Test name
Executions per second
Using update
54724712.0 Ops/sec
Using Object.assign
62953920.0 Ops/sec
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