add value in an 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: javascript append element to array

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

Example 4: how can add to array javascript

var fruits = ["Banana", "Orange", "Apple", "Mango"];

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fruits.push("Kiwi");