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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.6.1

Device Platform: Mobile

Date tested: one year ago

_.isEqual

3.2M/s

JSON.stringify

2.1M/s

View exact numbers

Test name	Executions per second
✓ _.isEqual	3,216,882 Ops/sec
JSON.stringify	2,135,434 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',
    {
        banana: {
            color: 'yellow'
        },
    },
];
window.bar = [{
        banana: {
            color: 'yellow'
        },
    },
    '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 Deep Comparison for Shallow Array of Strings.

Test on isEqual performance

_.isEqual

JSON.stringify