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Run results for:
object spread vs Object.assign
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
object spread
42775248.0 Ops/sec
Object.assign
12861979.0 Ops/sec
Script Preparation code:
var a = {a: 1}
Tests:
object spread
var b = {...a, b: 2}
Object.assign
var c = Object.assign({}, a, {b: 2})