JavaScript

JavaScript is a lightweight, interpreted programming language. It is designed for creating network-centric applications. It is complimentary to and integrated with Java. JavaScript is very easy to implement because it is integrated with HTML. It is open and cross-platform.

Simply, JavaScript is the programming language of HTML and the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced.

Execute JavaScript Online

For most of the examples given in this tutorial you will find Try it option, so just make use of this option to execute your JavaScript programs at the spot and enjoy your learning.

Try following example using Try it option available at the top right corner of the below sample code box

My First JavaScript

Try it

We recommend reading this tutorial, in the sequence listed in  the main page of JavaScript so that you can learn step by step easily.

Why Study JavaScript?

JavaScript is one of the 3 languages all web developers must learn:

HTML to define the content of web pages. CSS to specify the layout of web pages . JavaScript to program the behavior of web pages

Web pages are not the only place where JavaScript is used. Many desktop and server programs use JavaScript. Node.js is the best known. Some databases, like MongoDB and CouchDB, also use JavaScript as their programming language.


Did You Know?

JavaScript and Java are completely different languages, both in concept and design. JavaScript was invented by Brendan Eich in 1995, and became an ECMA standard in 1997. ECMA-262 is the official name of the standard. ECMAScript is the official name of the language.

JavaScript Tutorial

JavaScript Can Change HTML Content, JavaScript Can Change HTML Attribute Values, JavaScript Can Change HTML Styles (CSS), JavaScript Can Show/Hide HTML Elements and many more.

JavaScript Functions

A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when “something” invokes it (calls it). JavaScript functions are defined with the function keyword. A JavaScript function does not perform any checking on parameter values (arguments).


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