append 2 arrays javascript code example
Example 1: 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"]
Example 2: how to add multiple elements to A new array javascript
let vegetables = ['parsnip', 'potato']
let moreVegs = ['celery', 'beetroot']
// Merge the second array into the first one
// Equivalent to vegetables.push('celery', 'beetroot')
Array.prototype.push.apply(vegetables, moreVegs)
console.log(vegetables) // ['parsnip', 'potato', 'celery', 'beetroot']