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how to copy array of objects in javascript

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Leonhart answered on August 5, 2019 Popularity 8/10 Helpfulness 4/10

answer how to copy array of objects in javascript

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how to copy array of objects in javascript

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const Arr = JSON.parse(JSON.stringify([targetArray])) //Deepest Copy

Popularity 8/10 Helpfulness 4/10 Language javascript

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Tags: copy javascript

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Contributed on Aug 23 2022

Leonhart

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javascript clone array of object

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var sheep=[
{"height":20,"name":"Melvin"},
{"height":18,"name":"Betsy"}
];
var clonedSheep=JSON.parse(JSON.stringify(sheep)); //clone array of objects
//note: cloning like this will not work with some complex objects such as:  Date(), undefined, Infinity
// For complex objects try: lodash's cloneDeep() method or angularJS angular.copy() method

Popularity 10/10 Helpfulness 6/10 Language javascript

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Tags: javascript j

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Contributed on Aug 05 2019

Grepper

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copy object array javascript

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var ar = ["apple","banana","canaple"];
var bar = Array.from(ar);
alert(bar[1]); // alerts 'banana'

// Notes: this is for in In ES6, works for an object of arrays too! 
// (May not be applicable for deep-copy situations?)

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Tags: copy

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Contributed on Jul 02 2020

Powerful Penguin

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copy of array and object in javascript

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// for copy array and object we use ...(spread operator in js)
const rating = [4,3,5,2]
const descRating = [...ratings]
descRating.sort((a,b)=> b-a) //for ascending use a-b

Popularity 9/10 Helpfulness 4/10 Language javascript

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Contributed on Aug 08 2022

Shirshak Kandel

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copy array of object in js

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const originalArr = ['NodeJs', 'Django', 'Laravel'];
const copyArr = [ ...originalArr, 'Spring Boot']; // copyArr => ['NodeJs', 'Django', 'Laravel', 'Spring Boot']

Popularity 9/10 Helpfulness 2/10 Language javascript

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Contributed on Feb 11 2022

Easy Earthworm

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how to copy array of objects in javascript

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