append value to array javascript code example

Example 1: javascript insert item into array

var colors=["red","blue"];
var index=1;

//insert "white" at index 1
colors.splice(index, 0, "white");   //colors =  ["red", "white", "blue"]

Example 2: javascript append to array

var colors=["red","white"];
colors.push("blue");//append 'blue' to colors

Example 3: append array js

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

Example 4: javascript append array to array

const array1 = ['a', 'b', 'c'];
const array2 = ['d', 'e', 'f'];
const array3 = array1.concat(array2);

Example 5: javascript append element to array

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

Example 6: js add item to array

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