Benchmark: Lodash deep clone vs JSON parse stringify

HTML Preparation code:

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

Script Preparation code:

window.dater = {
    name: 'test',
    arr: [1, 2, 3, 4, 5],
    innerObj: {
        name: 'Test Inner',
        innerArr: [2, 4, 5, 6],
        isDeleted: false,
    },
    sigh: true,
};

Tests:

JSON
const res = JSON.parse(JSON.stringify(window.dater))
clone deep
const result = _.cloneDeep(window.dater)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON
clone deep

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser/OS: Chrome 143 on Windows

View result in a separate tab

Test name	Executions per second
JSON	2061828.0 Ops/sec
clone deep	799677.0 Ops/sec

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Lodash deep clone vs JSON parse stringify (version: 1)

Comparing performance of: JSON vs clone deep

Created: one year ago by: Registered User

Jump to the latest result

JSON

clone deep

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A