Run results for: JSON.stringify vs react-fast-compare vs _.isEqual

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

react-fast-compare

7.7M/s

JSON.stringify

811K/s

lodash

231K/s

View exact numbers

Test name	Executions per second
✓ react-fast-compare	7,743,859 Ops/sec
JSON.stringify	811,344 Ops/sec
lodash	231,198 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/react-fast-compare@3.2.0/index.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

window.a = {
    ab: {
        hello: "user",
        b: {
            aaa: 123,
            b: ["ggg"]
        },
        c: [{
            hj: "123",
            b: {
                h: "zzz"
            }
        }, {
            ll: "12r"
        }]
    },
    azz: [1, 2, 3, 5]
};

window.b = {
    ab: {
        hello: "user",
        b: {
            aaa: 123,
            b: ["ggg"]
        },
        c: [{
            hj: "123",
            b: {
                h: "zzz"
            }
        }, {
            ll: "12r"
        }]
    },
    azz: [1, 2, 3, 568]
};

Tests:

JSON.stringify
JSON.stringify(window.a) === JSON.stringify(window.b);
react-fast-compare
equal(window.a, window.b)
lodash
_.isEqual(a,b)