Benchmark: Lodash: clone vs cloneDeep vs JSON

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.11/lodash.min.js'></script>

Tests:

clone
let a, b a = [ '{{repeat(5, 7)}}', { _id: '{{objectId()}}', index: '{{index()}}', guid: '{{guid()}}', isActive: '{{bool()}}', balance: '{{floating(1000, 4000, 2, "$0,0.00")}}', picture: 'http://placehold.it/32x32', age: '{{integer(20, 40)}}', eyeColor: '{{random("blue", "brown", "green")}}', name: '{{firstName()}} {{surname()}}', gender: '{{gender()}}', company: '{{company().toUpperCase()}}', email: '{{email()}}', phone: '+1 {{phone()}}', address: '{{integer(100, 999)}} {{street()}}, {{city()}}, {{state()}}, {{integer(100, 10000)}}', about: '{{lorem(1, "paragraphs")}}', registered: '{{date(new Date(2014, 0, 1), new Date(), "YYYY-MM-ddThh:mm:ss Z")}}', latitude: '{{floating(-90.000001, 90)}}', longitude: '{{floating(-180.000001, 180)}}', tags: [ '{{repeat(7)}}', '{{lorem(1, "words")}}' ], friends: [ '{{repeat(3)}}', { id: '{{index()}}', name: '{{firstName()}} {{surname()}}' } ], greeting: function (tags) { return 'Hello, ' + this.name + '! You have ' + tags.integer(1, 10) + ' unread messages.'; }, favoriteFruit: function (tags) { var fruits = ['apple', 'banana', 'strawberry']; return fruits[tags.integer(0, fruits.length - 1)]; } } ] b = _.clone(a)
cloneDeep
let a, b a = [ '{{repeat(5, 7)}}', { _id: '{{objectId()}}', index: '{{index()}}', guid: '{{guid()}}', isActive: '{{bool()}}', balance: '{{floating(1000, 4000, 2, "$0,0.00")}}', picture: 'http://placehold.it/32x32', age: '{{integer(20, 40)}}', eyeColor: '{{random("blue", "brown", "green")}}', name: '{{firstName()}} {{surname()}}', gender: '{{gender()}}', company: '{{company().toUpperCase()}}', email: '{{email()}}', phone: '+1 {{phone()}}', address: '{{integer(100, 999)}} {{street()}}, {{city()}}, {{state()}}, {{integer(100, 10000)}}', about: '{{lorem(1, "paragraphs")}}', registered: '{{date(new Date(2014, 0, 1), new Date(), "YYYY-MM-ddThh:mm:ss Z")}}', latitude: '{{floating(-90.000001, 90)}}', longitude: '{{floating(-180.000001, 180)}}', tags: [ '{{repeat(7)}}', '{{lorem(1, "words")}}' ], friends: [ '{{repeat(3)}}', { id: '{{index()}}', name: '{{firstName()}} {{surname()}}' } ], greeting: function (tags) { return 'Hello, ' + this.name + '! You have ' + tags.integer(1, 10) + ' unread messages.'; }, favoriteFruit: function (tags) { var fruits = ['apple', 'banana', 'strawberry']; return fruits[tags.integer(0, fruits.length - 1)]; } } ] b = _.cloneDeep(a)
JSON
let a, b a = [ '{{repeat(5, 7)}}', { _id: '{{objectId()}}', index: '{{index()}}', guid: '{{guid()}}', isActive: '{{bool()}}', balance: '{{floating(1000, 4000, 2, "$0,0.00")}}', picture: 'http://placehold.it/32x32', age: '{{integer(20, 40)}}', eyeColor: '{{random("blue", "brown", "green")}}', name: '{{firstName()}} {{surname()}}', gender: '{{gender()}}', company: '{{company().toUpperCase()}}', email: '{{email()}}', phone: '+1 {{phone()}}', address: '{{integer(100, 999)}} {{street()}}, {{city()}}, {{state()}}, {{integer(100, 10000)}}', about: '{{lorem(1, "paragraphs")}}', registered: '{{date(new Date(2014, 0, 1), new Date(), "YYYY-MM-ddThh:mm:ss Z")}}', latitude: '{{floating(-90.000001, 90)}}', longitude: '{{floating(-180.000001, 180)}}', tags: [ '{{repeat(7)}}', '{{lorem(1, "words")}}' ], friends: [ '{{repeat(3)}}', { id: '{{index()}}', name: '{{firstName()}} {{surname()}}' } ], greeting: function (tags) { return 'Hello, ' + this.name + '! You have ' + tags.integer(1, 10) + ' unread messages.'; }, favoriteFruit: function (tags) { var fruits = ['apple', 'banana', 'strawberry']; return fruits[tags.integer(0, fruits.length - 1)]; } } ] b = JSON.parse(JSON.stringify(a))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
clone
cloneDeep
JSON

Fastest: N/A

Slowest: N/A

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Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.53 Safari/537.36

Browser/OS: Chrome 71 on Mac OS X 10.14.0

View result in a separate tab

Test name	Executions per second
clone	2606396.0 Ops/sec
cloneDeep	112610.7 Ops/sec
JSON	90514.8 Ops/sec

Lodash: clone vs cloneDeep vs JSON (version: 0)

Comparing performance of: clone vs cloneDeep vs JSON

Created: 5 years ago by: Registered User

Jump to the latest result

clone

cloneDeep

JSON

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A