js array insert array at index code example

Example 1: add elements to an array with splice

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo").innerHTML = fruits;

function myFunction() {
  fruits.splice(2, 0, "Lemon", "Kiwi");
  document.getElementById("demo").innerHTML = fruits;
}

Example 2: how to insert a value into an array javascript

var list = ["foo", "bar"];


list.push("baz");


["foo", "bar", "baz"] // result