Question

How to merge multiple arrays in Node.js

Answer 1

const arr1 = [9, 130, 99];
const arr2 = [81, 400];
const arr3 = [1, 2, 3, 4];
  
const arr = [...arr1, ...arr2, ...arr3];
  
console.log(arr);


       
/*
run:
     
[ 9, 130, 99, 81, 400, 1,   2,  3,  4 ]
   
*/
 

 

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