Merging Or Copying Arrays Using Spread Operator

Precious Parrot answered on March 30, 2020 Popularity 8/10 Helpfulness 2/10

answer Merging Or Copying Arrays Using Spread Operator

related javascript merge two array with spread operator

related How to Concatenate or Merge Arrays With the Spread Operator in JavaScript

Merging Or Copying Arrays Using Spread Operator

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let techlist1= ['spring', 'java'];
 let techlist2= ['javascript', 'nodejs', 'mongo'];
 let fullstacklist= […techlist1, …techlist2];
 console.log(fullstacklist);

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Source: frugalisminds.com

Tags: arrays copying javascript spread using

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Contributed on Jun 27 2020

Precious Parrot

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javascript merge two array with spread operator

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const a = ['to', 'code'];
const b = ['learning', ...a, 'is', 'fun']; 
console.log(b); //> ['learning', 'to', 'code', 'is', 'fun']

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Source: Grepper

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Contributed on Mar 30 2020

redeluni

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How to Concatenate or Merge Arrays With the Spread Operator in JavaScript

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let femaleNames = ["Daniel", "Peter", "Joe"];
let maleNames = ["Sandra", "Lucy", "Jane"];

let allNames = [...femaleNames, ...maleNames];

console.log(allNames); // ["Daniel","Peter","Joe","Sandra","Lucy","Jane"]

// It's also important to know that we can use the same approach for as many arrays
// as we have. We can also add individual elements within the array:

let femaleNames = ["Daniel", "Peter", "Joe"];
let maleNames = ["Sandra", "Lucy", "Jane"];
let otherNames = ["Bill", "Jill"];

let moreNames = [...otherNames, ...femaleNames, ...maleNames];
let names = [...moreNames, "Ben", "Fred"];


// This saves us the stress of using a complicated syntax like the concat() method

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Source: www.freecodecamp.org

Tags: arrays javascript java

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Contributed on Aug 22 2022

OHIOLee

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Merging Or Copying Arrays Using Spread Operator

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How to Concatenate or Merge Arrays With the Spread Operator in JavaScript

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