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JavaScript Tutorial

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This JavaScript Tutorial is designed to help both beginners and experienced professionals master the fundamentals of JavaScript. This free tutorial covers all JavaScript concepts, from basics such as Variables and Data Types, Functions, and DOM Manipulation, to advanced JavaScript topics including Functional Programming, Object-Oriented Programming, Asynchronous Programming and Promises, Server-Side JavaScript, WebSockets, and security.

Javascript Tutorial

What is JavaScript?

JavaScript (JS) is the top programming language for web development, used for both Client-Side and Server-Side purposes. It’s is also known as a scripting language for web pages.It is commonly used to create dynamic and interactive content on websites. JS plays a crucial role in modern web browsers, enabling client-side scripting to modify web page content in real-time, enhancing user experience.

Also Check: Recent Articles on JavaScript

JavaScript Online Compiler

This JavaScript Online Compiler is completely free and easy to use. Here, you can practice various JS Exercises.

html

<html>
<head>
  <title>Simple JavaScript Example</title>
</head>
<body>
  <script
        console.log("Hello World! I Don't Give a Bug"); 
  </script
</body>
</html>

                    

Why JavaScript Matters: Key Reasons to Learn in 2024

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. Here’s why:

  • 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.
  • JavaScript is constantly evolving with new features and standards.
  • Huge community support: JavaScript has a huge community of users and mentors who love this language and take it’s legacy forward.

Getting Started with Free JavaScript Tutorial

Prerequisites: For this JavaScript tutorial, it’s recommended that you have prior knowledge of HTML and a little bit of CSS to create more interactive projects. Lets Start!

JavaScript Basics

JavaScript Control Flow Statements

JavaScript Loops

JS Expression and Operators

JavaScript Objects

JavaScript Functions

JavaScript Regular Expression

JavaScript Events

JavaScript OOPs

JS Inheritance and Prototype Chain

JavaScript Memory Management

JavaScript Promises

JavaScript Iterators and generators

JavaScript Validations

JavaScript Exception Handling

JavaScript Objects Reference

JavaScript Global Objects

JavaScript Miscellaneous

JavaScript Practice Quiz

JavaScript Interview Questions

JavaScript Libraries & Frameworks

The JS library and framework make the life of a programmer easier. Libraries have many built-in functions and methods that provides more functionalities to the web page easily. These tools help in saving time and making code more readable.

Also, they provide project structure and data flow structure that helps to create fast and more reliable applications.

JavaScript Libraries & Frameworks

JavaScript Libraries

JavaScript Frameworks

JavaScript Career & Opporunities

According to 2023 Stack Overflow Survey, JavaScript is the most used language among professional developers, with over 67% reporting using it regularly. JavaScript is one such programming language that has more than 2 million libraries and frameworks and increasing rapidly.

Also, major IT tech companies like Microsoft, Uber, Google, Netflix, and Meta use JavaScript in their projects.

JavaScript Developer Roles & Average Salaries in India (Freshers)

Front-End Developer₹3,00,000 – ₹5,00,000
Senior Front-End Developer₹5,00,000 – ₹7,00,000
Full-Stack Developer₹4,00,000 – ₹6,00,000
Senior Full Stack Developer₹6,00,000 – ₹8,00,000
Back-End Developer (Node.js)₹3,50,000 – ₹5,50,000
Senior Back-End Developer (Node.js)₹5,50,000 – ₹7,50,000

Summary

Whether you’re a complete beginner or looking to expand your skillset, JavaScript offers undeniable value. With its wide applications, promising future, and supportive community, it’s a language worth learning and mastering.

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

JavaScript Tutorial – FAQs

1. What versions of JavaScript does the tutorial cover?

This JS tutorial covers a wide range of JavaScript versions, from the basics to more advanced concepts. It encompasses both older versions like ES5 and ES6, as well as more recent versions and features introduced in ES7, ES8, ES9, and beyond.

2. How long will it take to complete the tutorial?

Generally, beginners might take several weeks to months to grasp the fundamentals, while those with some programming background might progress faster.

3. 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.

4. Is this JavaScript tutorial for beginners?

Yes, this JavaScript tutorial caters to beginners by covering fundamental js concepts and gradually building up to more complex topics. It is designed to be accessible to individuals with little to no prior experience in programming.

5. Is this an advanced JavaScript tutorial?

this javascript tutorial covers all important advanced JavaScript concepts such as functional programming, object-oriented programming, asynchronous programming, and more. Beginners can start with the basics and gradually delve into more advanced concepts as they progress through the tutorial.



Last Updated : 26 Feb, 2024
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