Answers for "how to concatenate 2 arrays in javascript"

C#
52

combine two arrays javascript

let arr1 = [0, 1, 2];
let arr2 = [3, 5, 7];
let primes = arr1.concat(arr2);

// > [0, 1, 2, 3, 5, 7]
Posted by: Guest on February-02-2020
4

concatenate multiple arrays javascript

const array1 = ['a', 'b', 'c'];
const array2 = ['d', 'e', 'f'];
const array3 = [...array1, ...array2];

console.log(array3);
// expected output: Array ["a", "b", "c", "d", "e", "f"]
Posted by: Guest on April-23-2020
1

js combine two arrays

const letters = ['a', 'b', 'c'];
const numbers = [1, 2, 3];

letters.concat(numbers);
// result in ['a', 'b', 'c', 1, 2, 3]
Posted by: Guest on September-24-2020
0

concat two arrays

public static void main(String[] args) {

       String[] arr3 = {"A", "B", "C","Z","N"};
       String[] arr4 = {"D", "E", "F","G","U"};
ArrayList<String> list1 = new ArrayList<>();  
//  [A, B, C, Z, N, D, E, F, G, U]

       for( String each: arr3 ){
           list1.add( each );
       }
       for(String each1 : arr4  ){
           list1.add(each1);
       }
System.out.println(list1); // [A, B, C, Z, N, D, E, F, G, U]
Posted by: Guest on June-09-2021

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