Question

How to merge multiple arrays in JavaScript

Answer 1

const arr1 = [87, 120, 99];
const arr2 = [690, 17];
const arr3 = [1, 2, 3, 4];
 
const arr = [...arr1, ...arr2, ...arr3];
 
console.log(arr);
 
 
      
/*
run:
    
[ 87, 120, 99, 690, 17, 1,   2,  3,   4 ]
  
*/

 

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