Run results for: Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings.

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/127.0.6533.77 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 127

Operating system: iOS 17.5

Device Platform: Mobile

Date tested: 2 years ago

_.isEqual

3.9M/s

JSON.stringify

2.6M/s

View exact numbers

Test name	Executions per second
✓ _.isEqual	3,893,795 Ops/sec
JSON.stringify	2,625,520 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 = ['cat', 'dog', 'bird'];
window.bar = ['cat', 'dog', 'bird'];

Tests:

_.isEqual
_.isEqual(window.foo, window.bar)
JSON.stringify
JSON.stringify(window.foo) === JSON.stringify(window.bar);

Run results for: Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings.

Test on isEqual performance

_.isEqual

JSON.stringify