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Run results for:
Lodash cloneDeep vs structuredClone big 123123123
https://developer.mozilla.org/en-US/docs/Web/API/structuredClone
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615930" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36
Browser:
Chrome 139
Operating system:
Windows
Device Platform:
Desktop
Date tested:
11 months ago
Native structuredClone
22K/s
lodash
21K/s
View exact numbers
Test name
Executions per second
✓
Native structuredClone
22,360 Ops/sec
lodash
21,222 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var MyObjectSmall = { description: 'Creates a deep copy of source, which should be an object or an array.', myNumber: 123456789, myBoolean: true, jayson: { stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....', parse: 'JSON.parse() method parses a JSON string...' }, foo: [{ "_id": "68b0326cf33520d80ef8ff65", "index": 0, "guid": "499fa4e8-95f3-4dca-8a9e-ac8cf7a12cff", "isActive": false, "balance": "$1,438.51", "picture": "http://placehold.it/32x32", "age": 32, "eyeColor": "green", "name": "Christensen Sargent", "gender": "male", "company": "CONFRENZY", "email": "christensensargent@confrenzy.com", "phone": "+1 (817) 463-2462", "address": "955 Pine Street, Wattsville, Northern Mariana Islands, 456", "about": "Qui ad do cillum ea enim elit id non ut pariatur. Pariatur et incididunt pariatur amet tempor in adipisicing proident. Proident Lorem ipsum consectetur elit do labore labore eiusmod labore do.\r\n", "registered": "2017-11-10T02:03:58 -02:00", "latitude": 35.777275, "longitude": -88.696162, "tags": [ "ad", "ut", "sint", "id", "velit", "ex", "commodo" ], "friends": [{ "id": 0, "name": "Andrea Hays" }, { "id": 1, "name": "Brandy Castro" }, { "id": 2, "name": "Katelyn King" } ], "greeting": "Hello, Christensen Sargent! You have 2 unread messages.", "favoriteFruit": "banana" }, { "_id": "68b0326c1aa7a2aaada5408c", "index": 1, "guid": "da32677c-f2ef-47b0-8a2d-c1785d989f12", "isActive": false, "balance": "$2,350.33", "picture": "http://placehold.it/32x32", "age": 27, "eyeColor": "brown", "name": "Larson Holloway", "gender": "male", "company": "ZENTIX", "email": "larsonholloway@zentix.com", "phone": "+1 (937) 442-3327", "address": "400 Cozine Avenue, Shawmut, Guam, 3007", "about": "Fugiat occaecat cillum sint dolor irure officia mollit in commodo veniam ipsum ullamco. Cupidatat aliquip consectetur anim elit ipsum. Tempor consequat duis fugiat nostrud.\r\n", "registered": "2023-05-01T11:03:37 -03:00", "latitude": 77.678245, "longitude": 107.480104, "tags": [ "eiusmod", "et", "proident", "excepteur", "do", "quis", "esse" ], "friends": [{ "id": 0, "name": "Boyer Jackson" }, { "id": 1, "name": "Alissa Kaufman" }, { "id": 2, "name": "Velazquez Avery" } ], "greeting": "Hello, Larson Holloway! You have 10 unread messages.", "favoriteFruit": "strawberry" }, { "_id": "68b0326c0c21a31abf3917b7", "index": 2, "guid": "c7cd686f-342c-4073-8250-7695bc552f9b", "isActive": true, "balance": "$1,141.79", "picture": "http://placehold.it/32x32", "age": 40, "eyeColor": "green", "name": "Buckley Bonner", "gender": "male", "company": "OPTICON", "email": "buckleybonner@opticon.com", "phone": "+1 (924) 528-3941", "address": "130 Judge Street, Makena, Mississippi, 209", "about": "Dolor pariatur non deserunt dolore voluptate eiusmod velit. Deserunt consequat adipisicing veniam occaecat eiusmod ipsum ad fugiat laboris sunt incididunt fugiat labore. Ullamco et irure dolore do dolor. Magna mollit ipsum eu do proident tempor cupidatat eiusmod dolore ad Lorem. Aliquip eu ad excepteur aliqua incididunt excepteur deserunt eu mollit occaecat culpa ex cupidatat dolore.\r\n", "registered": "2018-01-27T05:07:16 -02:00", "latitude": -81.815164, "longitude": -32.535058, "tags": [ "fugiat", "duis", "id", "deserunt", "ex", "sunt", "ullamco" ], "friends": [{ "id": 0, "name": "Sheppard Britt" }, { "id": 1, "name": "Miriam Nielsen" }, { "id": 2, "name": "Ruiz Duran" } ], "greeting": "Hello, Buckley Bonner! You have 10 unread messages.", "favoriteFruit": "strawberry" }, { "_id": "68b0326c0abc9e52ed673a8f", "index": 3, "guid": "0af18da5-8c19-468c-97c4-e2d78551577b", "isActive": false, "balance": "$2,690.62", "picture": "http://placehold.it/32x32", "age": 36, "eyeColor": "blue", "name": "Carey Palmer", "gender": "male", "company": "ZBOO", "email": "careypalmer@zboo.com", "phone": "+1 (806) 432-2220", "address": "418 Nixon Court, Datil, Maine, 3784", "about": "Voluptate tempor Lorem sint dolore consequat eiusmod cupidatat et consequat. Do aliquip commodo aute sunt tempor fugiat eu id aute ut et sit nulla cillum. Nisi esse ad id adipisicing id in incididunt voluptate enim et cillum elit sit. Sunt nulla quis dolore reprehenderit proident minim. Enim Lorem adipisicing est nulla eu. Et adipisicing dolor exercitation reprehenderit aute consectetur ullamco id qui tempor cillum in dolor incididunt.\r\n", "registered": "2025-08-22T12:14:59 -03:00", "latitude": -44.825202, "longitude": -60.665693, "tags": [ "pariatur", "nisi", "sunt", "excepteur", "ea", "anim", "adipisicing" ], "friends": [{ "id": 0, "name": "Eunice Sweet" }, { "id": 1, "name": "Blanca Patterson" }, { "id": 2, "name": "Sargent Becker" } ], "greeting": "Hello, Carey Palmer! You have 10 unread messages.", "favoriteFruit": "apple" }, { "_id": "68b0326cb74cd88acc7e801d", "index": 4, "guid": "03f371f8-2c10-41b5-9bcd-cb6bb2adf893", "isActive": true, "balance": "$1,535.19", "picture": "http://placehold.it/32x32", "age": 30, "eyeColor": "blue", "name": "Stella Porter", "gender": "female", "company": "GEEKFARM", "email": "stellaporter@geekfarm.com", "phone": "+1 (819) 419-3415", "address": "398 Greene Avenue, Stewartville, Virginia, 7803", "about": "Laboris est ullamco voluptate dolor cupidatat aliqua in. Sit consequat exercitation ut fugiat enim reprehenderit est eiusmod aliquip voluptate deserunt nisi tempor irure. Nostrud deserunt magna ad incididunt elit. Excepteur tempor aliqua id consectetur culpa fugiat magna ipsum nisi. Occaecat esse ex ipsum eu pariatur dolor proident fugiat officia. Aliquip culpa voluptate excepteur ex exercitation est elit pariatur duis ea. Labore esse fugiat incididunt dolore laborum aliqua fugiat laborum anim minim sint laboris cillum.\r\n", "registered": "2017-11-18T08:09:05 -02:00", "latitude": -54.63794, "longitude": -140.142226, "tags": [ "aute", "exercitation", "non", "dolore", "mollit", "excepteur", "aliquip" ], "friends": [{ "id": 0, "name": "Nora Clements" }, { "id": 1, "name": "Sofia Neal" }, { "id": 2, "name": "Marlene Cash" } ], "greeting": "Hello, Stella Porter! You have 8 unread messages.", "favoriteFruit": "apple" } ], boo: [{ "_id": "68b0326cf33520d80ef8ff65", "index": 0, "guid": "499fa4e8-95f3-4dca-8a9e-ac8cf7a12cff", "isActive": false, "balance": "$1,438.51", "picture": "http://placehold.it/32x32", "age": 32, "eyeColor": "green", "name": "Christensen Sargent", "gender": "male", "company": "CONFRENZY", "email": "christensensargent@confrenzy.com", "phone": "+1 (817) 463-2462", "address": "955 Pine Street, Wattsville, Northern Mariana Islands, 456", "about": "Qui ad do cillum ea enim elit id non ut pariatur. Pariatur et incididunt pariatur amet tempor in adipisicing proident. Proident Lorem ipsum consectetur elit do labore labore eiusmod labore do.\r\n", "registered": "2017-11-10T02:03:58 -02:00", "latitude": 35.777275, "longitude": -88.696162, "tags": [ "ad", "ut", "sint", "id", "velit", "ex", "commodo" ], "friends": [{ "id": 0, "name": "Andrea Hays" }, { "id": 1, "name": "Brandy Castro" }, { "id": 2, "name": "Katelyn King" } ], "greeting": "Hello, Christensen Sargent! You have 2 unread messages.", "favoriteFruit": "banana" }, { "_id": "68b0326c1aa7a2aaada5408c", "index": 1, "guid": "da32677c-f2ef-47b0-8a2d-c1785d989f12", "isActive": false, "balance": "$2,350.33", "picture": "http://placehold.it/32x32", "age": 27, "eyeColor": "brown", "name": "Larson Holloway", "gender": "male", "company": "ZENTIX", "email": "larsonholloway@zentix.com", "phone": "+1 (937) 442-3327", "address": "400 Cozine Avenue, Shawmut, Guam, 3007", "about": "Fugiat occaecat cillum sint dolor irure officia mollit in commodo veniam ipsum ullamco. Cupidatat aliquip consectetur anim elit ipsum. Tempor consequat duis fugiat nostrud.\r\n", "registered": "2023-05-01T11:03:37 -03:00", "latitude": 77.678245, "longitude": 107.480104, "tags": [ "eiusmod", "et", "proident", "excepteur", "do", "quis", "esse" ], "friends": [{ "id": 0, "name": "Boyer Jackson" }, { "id": 1, "name": "Alissa Kaufman" }, { "id": 2, "name": "Velazquez Avery" } ], "greeting": "Hello, Larson Holloway! You have 10 unread messages.", "favoriteFruit": "strawberry" }, { "_id": "68b0326c0c21a31abf3917b7", "index": 2, "guid": "c7cd686f-342c-4073-8250-7695bc552f9b", "isActive": true, "balance": "$1,141.79", "picture": "http://placehold.it/32x32", "age": 40, "eyeColor": "green", "name": "Buckley Bonner", "gender": "male", "company": "OPTICON", "email": "buckleybonner@opticon.com", "phone": "+1 (924) 528-3941", "address": "130 Judge Street, Makena, Mississippi, 209", "about": "Dolor pariatur non deserunt dolore voluptate eiusmod velit. Deserunt consequat adipisicing veniam occaecat eiusmod ipsum ad fugiat laboris sunt incididunt fugiat labore. Ullamco et irure dolore do dolor. Magna mollit ipsum eu do proident tempor cupidatat eiusmod dolore ad Lorem. Aliquip eu ad excepteur aliqua incididunt excepteur deserunt eu mollit occaecat culpa ex cupidatat dolore.\r\n", "registered": "2018-01-27T05:07:16 -02:00", "latitude": -81.815164, "longitude": -32.535058, "tags": [ "fugiat", "duis", "id", "deserunt", "ex", "sunt", "ullamco" ], "friends": [{ "id": 0, "name": "Sheppard Britt" }, { "id": 1, "name": "Miriam Nielsen" }, { "id": 2, "name": "Ruiz Duran" } ], "greeting": "Hello, Buckley Bonner! You have 10 unread messages.", "favoriteFruit": "strawberry" }, { "_id": "68b0326c0abc9e52ed673a8f", "index": 3, "guid": "0af18da5-8c19-468c-97c4-e2d78551577b", "isActive": false, "balance": "$2,690.62", "picture": "http://placehold.it/32x32", "age": 36, "eyeColor": "blue", "name": "Carey Palmer", "gender": "male", "company": "ZBOO", "email": "careypalmer@zboo.com", "phone": "+1 (806) 432-2220", "address": "418 Nixon Court, Datil, Maine, 3784", "about": "Voluptate tempor Lorem sint dolore consequat eiusmod cupidatat et consequat. Do aliquip commodo aute sunt tempor fugiat eu id aute ut et sit nulla cillum. Nisi esse ad id adipisicing id in incididunt voluptate enim et cillum elit sit. Sunt nulla quis dolore reprehenderit proident minim. Enim Lorem adipisicing est nulla eu. Et adipisicing dolor exercitation reprehenderit aute consectetur ullamco id qui tempor cillum in dolor incididunt.\r\n", "registered": "2025-08-22T12:14:59 -03:00", "latitude": -44.825202, "longitude": -60.665693, "tags": [ "pariatur", "nisi", "sunt", "excepteur", "ea", "anim", "adipisicing" ], "friends": [{ "id": 0, "name": "Eunice Sweet" }, { "id": 1, "name": "Blanca Patterson" }, { "id": 2, "name": "Sargent Becker" } ], "greeting": "Hello, Carey Palmer! You have 10 unread messages.", "favoriteFruit": "apple" }, { "_id": "68b0326cb74cd88acc7e801d", "index": 4, "guid": "03f371f8-2c10-41b5-9bcd-cb6bb2adf893", "isActive": true, "balance": "$1,535.19", "picture": "http://placehold.it/32x32", "age": 30, "eyeColor": "blue", "name": "Stella Porter", "gender": "female", "company": "GEEKFARM", "email": "stellaporter@geekfarm.com", "phone": "+1 (819) 419-3415", "address": "398 Greene Avenue, Stewartville, Virginia, 7803", "about": "Laboris est ullamco voluptate dolor cupidatat aliqua in. Sit consequat exercitation ut fugiat enim reprehenderit est eiusmod aliquip voluptate deserunt nisi tempor irure. Nostrud deserunt magna ad incididunt elit. Excepteur tempor aliqua id consectetur culpa fugiat magna ipsum nisi. Occaecat esse ex ipsum eu pariatur dolor proident fugiat officia. Aliquip culpa voluptate excepteur ex exercitation est elit pariatur duis ea. Labore esse fugiat incididunt dolore laborum aliqua fugiat laborum anim minim sint laboris cillum.\r\n", "registered": "2017-11-18T08:09:05 -02:00", "latitude": -54.63794, "longitude": -140.142226, "tags": [ "aute", "exercitation", "non", "dolore", "mollit", "excepteur", "aliquip" ], "friends": [{ "id": 0, "name": "Nora Clements" }, { "id": 1, "name": "Sofia Neal" }, { "id": 2, "name": "Marlene Cash" } ], "greeting": "Hello, Stella Porter! You have 8 unread messages.", "favoriteFruit": "apple" } ] }; var myCopy = null; var MyObject = Array(100).fill(MyObjectSmall);
Tests:
Native structuredClone
myCopy = structuredClone(MyObject);
lodash
myCopy = _.cloneDeep(MyObject);