Benchmark: DeepClone vs JSON Stringify/Parse

HTML Preparation code:

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

Script Preparation code:

var o = {
 a: {
   b: 1,
   c: 2,
   d: 3,
   j: {
     k: [1,2,3],
     l: [4,5,6]
   },
 },
 e: [1,2,3,4,5,6],
 f: 1,
 g: {
   h: 1,
 }
}

Tests:

Lodash cloneDeep
const a = _.cloneDeep(o)
Stringify
const a = JSON.parse(JSON.stringify(o))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Stringify

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Edg/123.0.0.0

Browser/OS: Chrome 123 on Windows

View result in a separate tab

Test name	Executions per second
Lodash cloneDeep	510420.2 Ops/sec
Stringify	628522.6 Ops/sec

DeepClone vs JSON Stringify/Parse (version: 0)

Comparing performance of: Lodash cloneDeep vs Stringify

Created: 2 years ago by: Guest

Jump to the latest result

Lodash cloneDeep

Stringify

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A