Question

How to join (merge) two arrays in JavaScript

Answer 1

const arr1 = ["javascript", "php", "c++", "python"];
const arr2 = ["css", "html"];
  
const merged = [...arr1, ...arr2]
  
console.log(merged);
  
   
   
   
/*
run:
         
["javascript", "php", "c++", "python", "css", "html"]
       
*/

 

 

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Answer 2

const arr1 = ["javascript", "php", "c++", "python"];
const arr2 = ["css", "html"];
  
const merged = arr1.concat(arr2)
  
console.log(merged);
  
   
   
   
/*
run:
         
["javascript", "php", "c++", "python", "css", "html"]
       
*/

 

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Answer 3

const arr1 = [1, 3, 5, 9];
const arr2 = [2, 4, 6];
 
const merged = [ ...arr1, ...arr2 ];
 
console.log(merged);
 
 
 
 
 
/*
run:
 
[1, 3, 5, 9, 2, 4, 6]
 
*/

 

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