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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

react-fast-compare

21.3M/s

JSON.stringify

3.5M/s

lodash

1.2M/s

View exact numbers

Test name	Executions per second
✓ react-fast-compare	21,304,094 Ops/sec
JSON.stringify	3,509,260 Ops/sec
lodash	1,171,491 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/react-fast-compare@3.2.0/index.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)