JavaScript Tutorial

JavaScript (JS) is the most popular lightweight, interpreted compiled programming language. It can be used for both Client-side as well as Server-side developments. JavaScript also known as a scripting language for web pages. This JavaScript Tutorial is designed to help both beginners and experienced professionals master the fundamentals of JavaScript and unleash their creativity to build powerful web applications. From basic syntax and data types to advanced topics such as object-oriented programming and DOM manipulation.

JavaScript Tutorial

JavaScript Tutorial


JavaScript Basics

JavaScript Control Flow Statements


JavaScript Loops

JavaScript Expression and Operators


JavaScript Objects


JavaScript Functions


JavaScript Regular Expression

JavaScript Events

JavaScript OOPs

JavaScript Miscellaneous

JavaScript Objects Reference

This section contains the list of all properties and methods of all JavaScript objects.

Reason to Learn JavaScript

JavaScript is used by many developers (65% of the total development community), and the number is increasing day by day. JavaScript is one such programming language that has more than 1444231 libraries and increasing rapidly. It is preferred over any other programming language by most developers. Also, major tech companies like Microsoft, Uber, Google, Netflix, and Meta use JavaScript in their projects. To learn more reasons, please refer Reasons to Learn JavaScript article.

How JavaScript Makes HTML Build Website Better?

  • JavaScript is an advanced programming language that makes web pages more interactive and dynamic whereas HTML is a standard markup language that provides the primary structure of a website.
  • It simply adds dynamic content to websites to make them look good and HTML work on the look of the website without the interactive effects and all.
  • It manipulates the content to create dynamic web pages whereas HTML pages are static which means the content cannot be changed.
  • It is not cross-browser compatible whereas HTML is cross-browser compatible.
  • It can be embedded inside HTML but HTML can not be embedded inside JavaScript.

Things that Makes JavaScript Demanding

JavaScript is the most popular and hence the most loved language around the globe. Apart from this, there are abundant reasons to become the most demanding. Below are a listing of a few important points:

  • No need for compilers: Since JavaScript is an interpreted language, therefore it does not need any compiler for compilation.
  • Used both Client and Server Side: Earlier JavaScript was used to build client-side applications only, but with the evolution of its frameworks namely Node.js and Express.js, it is now widely used for building server-side applications too.
  • Helps to build a complete solution: As we saw, JavaScript is widely used in both client and server-side applications, therefore it helps us to build an end-to-end solution to a given problem.
  • Used everywhere: JavaScript is so loved because it can be used anywhere. It can be used to develop websites, games or mobile apps, etc.
  • Huge community support: JavaScript has a huge community of users and mentors who love this language and take it’s legacy forward.


JavaScript Libraries & Frameworks


Please go through our Free JavaScript Course to learn complete JavaScript and JavaScript Examples and JavaScript Programs link to see the wide collection of JavaScript programming examples. The examples are categorized based on the topics, including objects, functions, arrays, DOM, and many more.

Recent Articles on JavaScript

  • Last Updated : 13 Nov, 2023

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