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Object Deep Copy with deep clone 3445
(version: 0)
Produce a deep copy of a Javascript object where nested objects are not simply references to the originals.
Comparing performance of:
Recursive Deep Copy vs JSON Deep Copy vs lodash clone vs deepclone vs Recursive Deep Copy 2
Created:
5 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.js"></script> <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
Script Preparation code:
function recursiveDeepCopy(obj) { return Object.keys(obj).reduce((v, d) => Object.assign(v, { [d]: (obj[d].constructor === Object) ? recursiveDeepCopy(obj[d]) : obj[d] }), {}); } function recursiveDeepCopy2(obj) { return Object.keys(obj).reduce((v, d) => Object.assign(v, { [d]: obj[d] ? Object.assign(v, { [d]: obj[d].constructor === Object ? recursiveDeepCopy2(obj[d]) : obj[d] }) : v }), {}); } function deepClone(object) { let result; let i; let l; if (typeof object !== 'object') { return object; } if (!object) { return object; } if (object.constructor === Array) { result = []; l = object.length; for (i = 0; i < l; i++) { result[i] = deepClone(object[i]); } return result; } result = {}; for (i in object) { result[i] = deepClone(object[i]); } return result; } function jsonDeepCopy(o) { return JSON.parse(JSON.stringify(o)); } var dimensions = [{ "dimensions": [{ "runtime": { "common": { "client": null, "server": null } } }, { "device": { "android": null, "blackberry": null, "iemobile": null, "iphone": null, "ipad": null, "kindle": null, "opera-mini": null, "palm": null } }, { "environment": { "development": { "dev": null, "test": null }, "production": { "stage": null, "prod": null } } }, { "lang": { "ar": { "ar-JO": null, "ar-MA": null, "ar-SA": null, "ar-EG": null }, "bn": { "bn-IN": null }, "ca": { "ca-ES": null }, "cs": { "cs-CZ": null }, "da": { "da-DK": null }, "de": { "de-AT": null, "de-DE": null }, "el": { "el-GR": null }, "en": { "en-AU": null, "en-BG": null, "en-CA": null, "en-GB": null, "en-GY": null, "en-HK": null, "en-IE": null, "en-IN": null, "en-MY": null, "en-NZ": null, "en-PH": null, "en-SG": null, "en-US": null, "en-ZA": null }, "es": { "es-AR": null, "es-BO": null, "es-CL": null, "es-CO": null, "es-EC": null, "es-ES": null, "es-MX": null, "es-PE": null, "es-PY": null, "es-US": null, "es-UY": null, "es-VE": null }, "fi": { "fi-FI": null }, "fr": { "fr-BE": null, "fr-CA": null, "fr-FR": null, "fr-GF": null }, "hi": { "hi-IN": null }, "hu": { "hu-HU": null }, "id": { "id-ID": null }, "it": { "it-IT": null }, "ja": { "ja-JP": null }, "kn": { "kn-IN": null }, "ko": { "ko-KR": null }, "ml": { "ml-IN": null }, "mr": { "mr-IN": null }, "ms": { "ms-MY": null }, "nb": { "nb-NO": null }, "nl": { "nl-BE": null, "nl-NL": null, "nl-SR": null }, "pl": { "pl-PL": null }, "pt": { "pt-BR": null }, "ro": { "ro-RO": null }, "ru": { "ru-RU": null }, "sv": { "sv-SE": null }, "ta": { "ta-IN": null }, "te": { "te-IN": null }, "th": { "th-TH": null }, "tr": { "tr-TR": null }, "vi": { "vi-VN": null }, "zh": { "zh-Hans": { "zh-Hans-CN": null }, "zh-Hant": { "zh-Hant-HK": null, "zh-Hant-TW": null } } } }] }]
Tests:
Recursive Deep Copy
var dimensionsCopy = recursiveDeepCopy(dimensions);
JSON Deep Copy
var dimensionsCopy = jsonDeepCopy(dimensions);
lodash clone
var dimensionsCopy = _.cloneDeep(dimensions);
deepclone
var dimensionsCopy = deepClone(dimensions);
Recursive Deep Copy 2
var dimensionsCopy = recursiveDeepCopy2(dimensions);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
Recursive Deep Copy
JSON Deep Copy
lodash clone
deepclone
Recursive Deep Copy 2
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll answer your question without any further elaboration. Please provide the required input, and I will respond with the output of the code snippet provided in the problem statement. Note: The provided code seems to be related to benchmarking different JavaScript functions for recursive deep copying, JSON deep copying, Lodash clone, and deepclone. However, the actual implementation of these functions is not provided here. Please provide the input data (e.g., a JavaScript object to be copied) for the benchmarking tests, and I will help you with the code snippet. Here are some examples of inputs: * For recursiveDeepCopy: ```javascript const dimensions = { // your JSON data here }; ``` * For jsonDeepCopy: ```javascript const dimensions = { // your JSON data here }; ``` * For lodash clone: ```javascript const _ = require('lodash'); const dimensions = { // your JSON data here }; ``` * For deepclone: ```javascript function deepClone(obj) { return JSON.parse(JSON.stringify(obj)); } const dimensions = { // your JSON data here }; ``` Please let me know which one you need, and I'll be happy to help.
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