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Run results for:
Deep Clone Object: JSON.parse vs Object.assign
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<iframe src="https://measurethat.net/Embed?id=576859" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Object.assign
4.3M/s
JSON.parse
965K/s
View exact numbers
Test name
Executions per second
✓
Object.assign
4,322,022 Ops/sec
JSON.parse
965,243 Ops/sec
Script Preparation code:
var obj = {a: "hello", c: "test", po: 33, arr: [1, 2, 3, 4], anotherObj: {a: 33, str: "whazzup"}};
Tests:
JSON.parse
var obj2 = JSON.parse(JSON.stringify(obj));
Object.assign
var obj2 = Object.assign({}, obj);