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lodash merge vs spread 4
(version: 0)
Benchmark.js
Comparing performance of:
lodash merge vs spread
Created:
one year ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
lodash merge
var a = { "_id": "66fbb8cedd880f8726d3430d", "index": 0, "guid": "0a9b7fd8-2e1c-423e-9129-a4b34edd6ea0", "isActive": false, "balance": "$3,498.70", "picture": "http://placehold.it/32x32", "age": 31, "eyeColor": "blue", "name": "Estrada Mcfarland", "gender": "male", "company": "BULLZONE", "email": "estradamcfarland@bullzone.com", "phone": "+1 (875) 565-3286", "address": "344 Oakland Place, Caledonia, Ohio, 8843", "about": "Cupidatat velit minim Lorem quis non. Ullamco magna qui commodo aliquip cillum anim ea aliqua. Tempor ullamco nulla cillum mollit veniam tempor ipsum ipsum culpa ipsum. Quis sit velit minim ad eiusmod veniam aliquip non anim veniam anim enim est cupidatat. Pariatur ipsum ipsum commodo irure laborum qui velit do est ullamco. Tempor velit ullamco Lorem non laboris culpa ullamco excepteur aliquip laboris cillum occaecat adipisicing anim.\r\n", "registered": "2014-01-31T12:10:19 -07:00", "latitude": 37.048423, "longitude": 131.714333, "tags": [ "reprehenderit", "ea", "esse", "ipsum", "Lorem", "dolor", "non" ], "friends": [ { "id": 0, "name": "Bender Battle" }, { "id": 1, "name": "Flowers Huff" }, { "id": 2, "name": "Amanda Armstrong" }]}; var b = { "_id": "66fbb8fb871c6f25070b297b", "index": 0, "guid": "65f9bf15-96b5-4e1c-8d17-a7b9f9f52cf3", "isActive": false, "balance": "$2,098.99", "picture": "http://placehold.it/32x32", "age": 39, "eyeColor": "blue", "name": "Cherry Hendrix", "gender": "female", "company": "MAGNINA", "email": "cherryhendrix@magnina.com", "phone": "+1 (842) 469-3783", "address": "645 Myrtle Avenue, Sharon, Nevada, 4405", "about": "Consequat Lorem Lorem quis ea mollit Lorem deserunt eiusmod elit. Eu est duis in incididunt exercitation consequat duis sint quis adipisicing nisi. Quis sunt excepteur laborum cillum cillum ea ullamco tempor duis esse eiusmod laboris. Velit aliquip consequat ullamco laboris laboris sit cillum commodo fugiat labore sint cillum consequat.\r\n", "registered": "2023-06-02T08:28:00 -07:00", "latitude": -67.322848, "longitude": 19.323204, "tags": [ "amet", "laboris", "cillum", "irure", "velit", "officia", "in" ], "friends": [ { "id": 0, "name": "Shanna Shelton" }, { "id": 1, "name": "Lucile Kelley" }, { "id": 2, "name": "Walker Hall" } ], "greeting": "Hello, Cherry Hendrix! You have 3 unread messages.", "favoriteFruit": "apple" }; var c = _.merge(a, b);
spread
var a = { "_id": "66fbb8cedd880f8726d3430d", "index": 0, "guid": "0a9b7fd8-2e1c-423e-9129-a4b34edd6ea0", "isActive": false, "balance": "$3,498.70", "picture": "http://placehold.it/32x32", "age": 31, "eyeColor": "blue", "name": "Estrada Mcfarland", "gender": "male", "company": "BULLZONE", "email": "estradamcfarland@bullzone.com", "phone": "+1 (875) 565-3286", "address": "344 Oakland Place, Caledonia, Ohio, 8843", "about": "Cupidatat velit minim Lorem quis non. Ullamco magna qui commodo aliquip cillum anim ea aliqua. Tempor ullamco nulla cillum mollit veniam tempor ipsum ipsum culpa ipsum. Quis sit velit minim ad eiusmod veniam aliquip non anim veniam anim enim est cupidatat. Pariatur ipsum ipsum commodo irure laborum qui velit do est ullamco. Tempor velit ullamco Lorem non laboris culpa ullamco excepteur aliquip laboris cillum occaecat adipisicing anim.\r\n", "registered": "2014-01-31T12:10:19 -07:00", "latitude": 37.048423, "longitude": 131.714333, "tags": [ "reprehenderit", "ea", "esse", "ipsum", "Lorem", "dolor", "non" ], "friends": [ { "id": 0, "name": "Bender Battle" }, { "id": 1, "name": "Flowers Huff" }, { "id": 2, "name": "Amanda Armstrong" }]}; var b = { "_id": "66fbb8fb871c6f25070b297b", "index": 0, "guid": "65f9bf15-96b5-4e1c-8d17-a7b9f9f52cf3", "isActive": false, "balance": "$2,098.99", "picture": "http://placehold.it/32x32", "age": 39, "eyeColor": "blue", "name": "Cherry Hendrix", "gender": "female", "company": "MAGNINA", "email": "cherryhendrix@magnina.com", "phone": "+1 (842) 469-3783", "address": "645 Myrtle Avenue, Sharon, Nevada, 4405", "about": "Consequat Lorem Lorem quis ea mollit Lorem deserunt eiusmod elit. Eu est duis in incididunt exercitation consequat duis sint quis adipisicing nisi. Quis sunt excepteur laborum cillum cillum ea ullamco tempor duis esse eiusmod laboris. Velit aliquip consequat ullamco laboris laboris sit cillum commodo fugiat labore sint cillum consequat.\r\n", "registered": "2023-06-02T08:28:00 -07:00", "latitude": -67.322848, "longitude": 19.323204, "tags": [ "amet", "laboris", "cillum", "irure", "velit", "officia", "in" ], "friends": [ { "id": 0, "name": "Shanna Shelton" }, { "id": 1, "name": "Lucile Kelley" }, { "id": 2, "name": "Walker Hall" } ], "greeting": "Hello, Cherry Hendrix! You have 3 unread messages.", "favoriteFruit": "apple" }; var c = { ...a, ...b, tags: [...a.tags, ...b.tags], friends: [...a.friends, ...b.friends] };
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash merge
spread
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser/OS:
Chrome 128 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=557318" width="100%" height="500px"></iframe>
spread
2.2M/s
lodash merge
311K/s
View exact numbers
Test name
Executions per second
✓
spread
2,210,972 Ops/sec
lodash merge
310,925 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
It appears you're sharing code snippets and benchmark results, but I'll focus on the JSON data. Here is the extracted JSON data: ``` { "_id": "66fbb8fb871c6f25070b297b", "index": 0, "guid": "65f9bf15-96b5-4e1c-8d17-a7b9f9f52cf3", "isActive": false, "balance": "$2,098.99", "picture": "http://placehold.it/32x32", "age": 39, "eyeColor": "blue", "name": "Cherry Hendrix", "gender": "female", "company": "MAGNINA", "email": "cherryhendrix@magnina.com", "phone": "+1 (842) 469-3783", "address": "645 Myrtle Avenue, Sharon, Nevada, 4405", "about": "Consequat Lorem Lorem quis ea mollit Lorem deserunt eiusmod elit. Eu est duis in incididunt exercitation consequat duis sint quis adipisicing nisi. Quis sunt excepteur laborum cillum cillum ea ullamco tempor duis esse eiusmod laboris. Velit aliquip consequat ullamco laboris laboris sit cillum commodo fugiat labore sint cillum consequat.", "registered": "2023-06-02T08:28:00 -07:00", "latitude": -67.322848, "longitude": 19.323204, "tags": [ "amet", "laboris", "cillum", "irure", "velit", "officia", "in" ], "friends": [ { "id": 0, "name": "Shanna Shelton" }, { "id": 1, "name": "Lucile Kelley" }, { "id": 2, "name": "Walker Hall" } ], "greeting": "Hello, Cherry Hendrix! You have 3 unread messages.", "favoriteFruit": "apple" } ``` And here is the spread function call: ```javascript var c = { ...a, ...b, tags: [...a.tags, ...b.tags], friends: [...a.friends, ...b.friends] }; ```
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