javascript array push all code example

Example 1: add array to array javascript

// SPREAD OPERATOR
 const list1 = ["pepe", "luis", "rua"];
 const list2 = ["rojo", "verde", "azul"];
 const newList = [...list1, ...list2];
 // ["pepe", "luis", "rua", "rojo", "verde", "azul"]

Example 2: js push

let arr = [9, 4, 3, 18]
arr.push(30)
console.log(arr) // [9, 4, 3, 18, 30]