Benchmark: es-toolkit isEqual vs hashed JSON stringify vs lodash isEqual vs fast-deep-equal

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/es-toolkit@%5E1"></script>
<script>
window.et = window._;
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js"></script>

Script Preparation code:

const node1 = {
    "de_DE": {
        "content": {
            "blocks": {
                "1": {
                    "children": [
                        "2"
                    ],
                    "type": "section"
                },
                "2": {
                    "children": [
                        "3"
                    ],
                    "type": "container"
                },
                "3": {
                    "children": [
                        "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d"
                    ],
                    "config": {
                        "width": "1"
                    },
                    "type": "column"
                },
                "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d": {
                    "children": [
                        "7dc9103d-8f09-5865-9482-3a1968caef48"
                    ],
                    "type": "bigHeading"
                },
                "7dc9103d-8f09-5865-9482-3a1968caef48": {
                    "config": {
                        "value": "Hallo22223"
                    },
                    "type": "text"
                }
            },
            "content": [
                "1"
            ]
        },
        "title": "NFS-3398 – Seitentest"
    },
    "en_US": {
        "content": {
            "blocks": {
                "1": {
                    "children": [
                        "2"
                    ],
                    "type": "section"
                },
                "1dc00c75-828a-5e26-90c1-f60b4af3bf3f": {
                    "config": {
                        "value": "Hello2222"
                    },
                    "type": "text"
                },
                "2": {
                    "children": [
                        "3"
                    ],
                    "type": "container"
                },
                "3": {
                    "children": [
                        "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d"
                    ],
                    "config": {
                        "width": "1"
                    },
                    "type": "column"
                },
                "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d": {
                    "children": [
                        "1dc00c75-828a-5e26-90c1-f60b4af3bf3f"
                    ],
                    "type": "bigHeading"
                }
            },
            "content": [
                "1"
            ]
        },
        "title": "NFS-3398 - Page Test"
    }
};


const node2 =  {
    "de_DE": {
        "content": {
            "blocks": {
                "1": {
                    "children": [
                        "2"
                    ],
                    "type": "section"
                },
                "2": {
                    "children": [
                        "3"
                    ],
                    "type": "container"
                },
                "3": {
                    "children": [
                        "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d"
                    ],
                    "config": {
                        "width": "1"
                    },
                    "type": "column"
                },
                "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d": {
                    "children": [
                        "7dc9103d-8f09-5865-9482-3a1968caef48"
                    ],
                    "type": "bigHeading"
                },
                "7dc9103d-8f09-5865-9482-3a1968caef48": {
                    "config": {
                        "value": "Hallo22223"
                    },
                    "type": "text"
                }
            },
            "content": [
                "1"
            ]
        },
        "title": "NFS-3398 – Seitentest"
    },
    "en_US": {
        "content": {
            "blocks": {
                "1": {
                    "children": [
                        "2"
                    ],
                    "type": "section"
                },
                "1dc00c75-828a-5e26-90c1-f60b4af3bf3f": {
                    "config": {
                        "value": "Hello2222"
                    },
                    "type": "text"
                },
                "2": {
                    "children": [
                        "3"
                    ],
                    "type": "container"
                },
                "3": {
                    "children": [
                        "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d"
                    ],
                    "config": {
                        "width": "1"
                    },
                    "type": "column"
                },
                "38e06e3b-8d56-4d70-ab96-9c8d28d1de3d": {
                    "children": [
                        "1dc00c75-828a-5e26-90c1-f60b4af3bf3f"
                    ],
                    "type": "bigHeading"
                }
            },
            "content": [
                "1"
            ]
        },
        "title": "NFS-3398 - Page Test"
    }
};

Tests:

es-toolkit
et.isEqual(node1, node2);
Hashed JSON.stringify
const hashContent = (str) => { let h1 = 0xdeadbeef, h2 = 0x41c6ce57; for (let i = 0, ch; i < str.length; i++) { ch = str.charCodeAt(i); h1 = Math.imul(h1 ^ ch, 2654435761); h2 = Math.imul(h2 ^ ch, 1597334677); } h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507); h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909); h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507); h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909); return h2.toString(36).padStart(7, '0') + h1.toString(36).padStart(7, '0'); }; hashContent(JSON.stringify(node1)) === hashContent(JSON.stringify(node2));
lodash
_.isEqual(node1, node2);
fast deep equal
function equal(a, b) { if (a === b) return true; if (a && b && typeof a == 'object' && typeof b == 'object') { if (a.constructor !== b.constructor) return false; var length, i, keys; if (Array.isArray(a)) { length = a.length; if (length != b.length) return false; for (i = length; i-- !== 0;) if (!equal(a[i], b[i])) return false; return true; } if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); keys = Object.keys(a); length = keys.length; if (length !== Object.keys(b).length) return false; for (i = length; i-- !== 0;) if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; for (i = length; i-- !== 0;) { var key = keys[i]; if (!equal(a[key], b[key])) return false; } return true; } // true if both NaN, false otherwise return a!==a && b!==b; }; equal(node1, node2);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
es-toolkit
Hashed JSON.stringify
lodash
fast deep equal

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 months ago)

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/OS: Safari 26 on Mac OS X 10.15.7

View result in a separate tab

fast deep equal

529K/s

lodash

155K/s

es-toolkit

126K/s

Hashed JSON.stringify

117K/s

View exact numbers

Test name	Executions per second
✓ fast deep equal	528,922 Ops/sec
lodash	154,504 Ops/sec
es-toolkit	126,034 Ops/sec
Hashed JSON.stringify	117,241 Ops/sec

es-toolkit isEqual vs hashed JSON stringify vs lodash isEqual vs fast-deep-equal (version: 1)

Comparing performance of: `es-toolkit vs Hashed JSON.stringify vs lodash vs fast deep equal`

Created: 4 months ago by: Guest

Go to the latest result

es-toolkit

Hashed JSON.stringify

lodash

fast deep equal

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

es-toolkit isEqual vs hashed JSON stringify vs lodash isEqual vs fast-deep-equal (version: 1)

Comparing performance of: es-toolkit vs Hashed JSON.stringify vs lodash vs fast deep equal

Created: 4 months ago by: Guest

Go to the latest result

es-toolkit

Hashed JSON.stringify

lodash

fast deep equal

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `es-toolkit vs Hashed JSON.stringify vs lodash vs fast deep equal`