Run results for: Lodash isEqual vs JSON stringify

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Lodash isEqual	643877.9 Ops/sec
JSON.stringify	33.4 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var len = 1000;

function generateComplexObject() {
    return {
        name: "Test Object",
        values: Array.from({ length: len }, (_, i) => ({ index: i, value: Math.random() })),
        nested: {
            level1: {
                level2: {
                    level3: {
                        key: "Deep Value",
                        arr: Array.from({ length: len }, () => ({ id: Math.random(), data: Array.from({ length: len }, () => Math.random()) }))
                    }
                }
            }
        },
        func: () => {},
        date: new Date(),
        undef: undefined,
    };
}

var obj1 = generateComplexObject();
var obj2 = generateComplexObject();

Tests:

Lodash isEqual
_.isEqual(obj1, obj2);
JSON.stringify
JSON.stringify(obj1) === JSON.stringify(obj2);

Run results for: Lodash isEqual vs JSON stringify

Lodash isEqual

JSON.stringify