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Run results for:
JavaScript spread operator vs Object.assign performance v3
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 139
Operating system:
Android
Device Platform:
Mobile
Date tested:
9 months ago
Test name
Executions per second
Using the spread operator
24938778.0 Ops/sec
Using Object.assign
9212182.0 Ops/sec
Tests:
Using the spread operator
const secondObject = {sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = { ...secondObject };
Using Object.assign
const secondObject = {sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = Object.assign({}, secondObject);