javascript array push to index code example

Example 1: js array add element

array.push(element)

Example 2: javascript append element to array

var colors= ["red","blue"];
	colors.push("yellow");

Example 3: js add item to array

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");

Example 4: javascript array push element at index

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join()); // Jani,Hege,Stale,Kai Jim,Borge
arr.splice(2, 0, "Lene");
console.log(arr.join()); // Jani,Hege,Lene,Stale,Kai Jim,Borge

Example 5: javascript add array to array at index

a1.splice(2, 0, ...a2);