Run results for: JavaScript spread operator vs Object.assign wrapper performance

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:136.0) Gecko/136.0 Firefox/136.0

Browser: Firefox Mobile 136

Operating system: Android

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
Using the spread operator	7391873.5 Ops/sec
Using Object.assign	5604231.5 Ops/sec

Tests:

Using the spread operator
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = { ...firstObject, ...secondObject };
Using Object.assign
const update = (first, ...args) => { return Object.assign({}, first, ...args) } const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = update(firstObject, secondObject);