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Run results for:
lodash.isEqual vs local recursive function
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=608349" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
11 months ago
Test name
Executions per second
lodash
663295.2 Ops/sec
local function
2004518.8 Ops/sec
deepEqual
1393365.1 Ops/sec
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>
Script Preparation code:
function deepEqual(obj1, obj2) { if (obj1 === obj2) { return true; } if (typeof obj1 !== 'object' || obj1 === null || typeof obj2 !== 'object' || obj2 === null) { return false; } const keys1 = Object.keys(obj1); const keys2 = Object.keys(obj2); if (keys1.length !== keys2.length) { return false; } for (let key of keys1) { if (!obj2.hasOwnProperty(key) || !deepEqual(obj1[key], obj2[key])) { return false; } } return true; } // 1 level deep var data = [ { description: 'equal numbers', value1: 1, value2: 1, equal: true, }, { description: 'not equal numbers', value1: 1, value2: 2, equal: false, }, { description: 'number and array are not equal', value1: 1, value2: [], equal: false, }, { description: '0 and object are not equal', value1: 0, value2: {}, equal: false, }, { description: 'equal strings', value1: 'a', value2: 'a', equal: true, }, { description: 'big object', value1: { prop1: 'value1', prop2: 'value2', prop3: 'value3', prop4: { subProp1: 'sub value1', subProp2: { subSubProp1: 'sub sub value1', subSubProp2: [ 1, 2, { prop2: 1, prop: 2 }, 4, 5, ], }, }, prop5: 1000, prop6: new Date(2016, 2, 10), }, value2: { prop5: 1000, prop3: 'value3', prop1: 'value1', prop2: 'value2', prop6: new Date('2016/03/10'), prop4: { subProp2: { subSubProp1: 'sub sub value1', subSubProp2: [ 1, 2, { prop2: 1, prop: 2 }, 4, 5, ], }, subProp1: 'sub value1', }, }, equal: true, }, ];
Tests:
lodash
data.forEach((item) => { _.isEqual(item.value1, item.value2); });
local function
data.forEach((item) => { deepEqual(item.value1, item.value2); });
deepEqual
function deepEqual(object1, object2) { const keys1 = Object.keys(object1); const keys2 = Object.keys(object2); if (keys1.length !== keys2.length) { return false; } for (const key of keys1) { const val1 = object1[key]; const val2 = object2[key]; const areObjects = isObject(val1) && isObject(val2); if ( areObjects && !deepEqual(val1, val2) || !areObjects && val1 !== val2 ) { return false; } } return true; } function isObject(object) { return object != null && typeof object === 'object'; } data.forEach((item) => { deepEqual(item.value1, item.value2); });