add multiple array js 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: javascript add multiple items to array
var a = [];
a.push(1, 2, 3);
console.log(a);