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Run results for:
Lodash.isEqual vs JSON.stringify Equality Comparison for array of objects with nested properties and lots of records
Test on isEqual performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=511095" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
_.isEqual
1.9M/s
JSON.stringify
395K/s
View exact numbers
Test name
Executions per second
✓
_.isEqual
1,933,355 Ops/sec
JSON.stringify
395,427 Ops/sec
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
window.foo = [{accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'merp', ancestors: ['blah', 'merp']}, {accessPath: 'derp', ancestors: ['blah', 'derp']}]; window.foo = [{accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'merp', ancestors: ['blah', 'merp']}, {accessPath: 'derp', ancestors: ['blah', 'changed']}];
Tests:
_.isEqual
_.isEqual(window.foo, window.bar)
JSON.stringify
JSON.stringify(window.foo) === JSON.stringify(window.bar);