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How to create array and add element

We can create arrays in JavaScript in different ways. Handling of arrays using JavaScript is required in many applications. If we are processing a form then elements of the form can be managed as part of an array. We will learn some different points on use of arrays and before that we will learn some basics of JavaScript array.

Related Tutorial
Displaying elements of array
How to create arrays in JavaScript?
We can declare an array like this
var scripts = new Array();
We can add elements to this array like this
scripts[0] = "PHP";
scripts[1] = "ASP";
scripts[2] = "JavaScript";
scripts[3] = "HTML";
Now our array scrips has 4 elements inside it and we can print or access them by using their index number. Note that index number starts from 0. To get the third element of the array we have to use the index number 2 . Here is the way to get the third element of an array.

document.write(scripts[2]);

We also can create an array like this

var no_array = new Array(21, 22, 23, 24, 25); // Array has 5 elements
var my_array=['4th']; // array with single element

Crating Array from a String

More practical requirement will be crating array from a string. You can read more on this on our tutorial on split.

Demo of creating array from a string by using split

How to display elements of an array

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