Run results for: Lodash.isEqual vs JSON.stringify Equality Comparison for deep objects.

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; VTR-L29) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Mobile Safari/537.36

Browser: Chrome Mobile 96

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
_.isEqual	99833.8 Ops/sec
JSON.stringify	143954.7 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

AخA
 
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

window.foo = { a: { b: ['cat', 'dog', 'bird']}, c: { d: [42, '42', { val: true}]}};
window.bar = { a: { b: ['cat', 'dog', 'bird']}, c: { d: [42, '42', { val: null}]}};

 
window.foo = { a: { b: ['cat', 'dog', 'bird']}, c: { d: [42, '42', { val: true}]}};window.bar = { a: { b: ['cat', 'dog', 'bird']}, c: { d: [42, '42', { val: null}]}};

Tests:

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

Run results for: Lodash.isEqual vs JSON.stringify Equality Comparison for deep objects.

Test on isEqual performance

_.isEqual

JSON.stringify