Benchmark: Deep Object Cloning

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.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)
jQuery Extend
const a = $.extend({}, o);
lodash assign
const a = _.assign({}, o)
JSON Parsing
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
jQuery Extend
lodash assign
JSON Parsing

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15

Browser/OS: Safari 14 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Lodash cloneDeep	171808.9 Ops/sec
jQuery Extend	1804958.0 Ops/sec
lodash assign	1303923.0 Ops/sec
JSON Parsing	246900.2 Ops/sec

Deep Object Cloning (version: 0)

Comparing performance of: Lodash cloneDeep vs jQuery Extend vs lodash assign vs JSON Parsing

Created: 2 years ago by: Guest

Jump to the latest result

Lodash cloneDeep

jQuery Extend

lodash assign

JSON Parsing

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A