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Run results for:
Lodash cloneDeep vs JSON parse
Comparison of deep cloning 10,000 objects in an array with Lodash cloneDeep vs JSON parse and stringify.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=623243" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0
Browser:
Firefox 145
Operating system:
Windows
Device Platform:
Desktop
Date tested:
7 months ago
JSON parse/stringify
1K/s
Lodash cloneDeep
28/s
View exact numbers
Test name
Executions per second
✓
JSON parse/stringify
1,287 Ops/sec
Lodash cloneDeep
28 Ops/sec
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@1.3.1/lodash.min.js"></script>
Script Preparation code:
var items = [ ...Array(10000).keys() ].map( i => { return { bar: "foo" } });
Tests:
Lodash cloneDeep
_.cloneDeep(items);
JSON parse/stringify
JSON.parse(JSON.stringify(items));