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HTML JavaScript

JavaScript is the most widely used lightweight, interpreted compiled programming language in the world. It is also known as a web page scripting language. It is well-known for web page creation, but it is widely used in numerous non-browser applications. JavaScript may be used for both client-side and server-side programming.

There are two ways to include JavaScript in your HTML file:

  1. Internal JS: We may add JavaScript to our HTML file directly by inserting the code within the script element. Depending on the situation, the <script> tag might be inserted inside the <head> or the <body> tags.
  2. External JS: We may create JavaScript code in another file with the extension.js and then link this file within the <head> element of the HTML file where we wish to include this code.

Syntax

Example

Preview

What can we create with JavaScript?

JavaScript is a popular programming language. Some domains/products that can be developed with JavaScript are listed below:

  • Websites: JavaScript allows us to add functionality to our websites. It makes it easier for users to engage with the website. For example, clicking on buttons, storing information, uploading information to a website, and so on.
  • Web Servers: Using JavaScript, we can create strong server applications. To be more specific, we create these servers with JavaScript frameworks such as Node.js and Express.js.
  • Game Development: JavaScript is frequently utilized in the game development business. With the inclusion of HTML5 Canvas, it is now feasible to create incredibly efficient 2D and 3D games with JavaScript.
  • 3D Drawings: Three-dimensional graphics are created using JavaScript and HTML Canvas.
  • Mobile Apps: These days, mobile applications are the most preferred way of communication. JavaScript is also employed in the development of mobile applications. There are several JavaScript frameworks available for creating Android, iOS, and hybrid apps.
  • Smartwatch Apps: Pebble, the popular smartwatch maker, has produced Pebble.js, a simple JavaScript framework that allows a developer to construct a JavaScript application for the Pebble range of watches.

Why should you learn JavaScript?

JavaScript is the most widely used and hence most beloved programming language on the planet. Aside from that, there are several reasons to study it. Here's a rundown of some key points:

  • Compilers are not required: Because JavaScript is an interpreted language, it does not require any compilers for compilation.
  • Previously used mainly for client-side applications: JavaScript is now extensively used for constructing server-side applications as well, thanks to the evolution of its frameworks, Node.js and Express.js.
  • Aids in the development of a full solution: As we've seen, JavaScript is frequently used in both client and server-side applications, so it may assist us in developing an end-to-end solution to a given problem.
  • End-to-End solution:  As we have seen, JavaScript is extensively utilized in both client and server-side applications, therefore it aids in the development of an end-to-end solution to a given problem.
  • Used Everywhere: JavaScript is popular because it can be used almost anywhere. It may be used to create websites, games, and mobile apps, among other things.
  • Huge community support: JavaScript has a sizable community of users and mentors that like the language and want to see it succeed.

FAQs

Learning JavaScript can be challenging, but it is definitely worth the effort. JavaScript is one of the most widely used programming languages in the world, and is used for both front-end and back-end development. It is a versatile language, and can be used to create everything from simple web animations to complex web applications. However, with the right resources and dedication, anyone can learn JavaScript. There are many online tutorials like WebTutor.dev, courses, and books available to help beginners get started, and there is a large community of developers who are always willing to offer help and support.

Most programmers agree that it takes around six to nine months to develop a working proficiency in JavaScript. However, the time it takes to learn depends on various factors, including your previous coding experience and how much time you can dedicate to learning. To reach a hireable level, dedicating 2-3 hours a day for 6-9 months is recommended. Learning to code in JavaScript can take anywhere from 6-9 months to become a junior coder, 14-24 months to become a mid-level coder, and 3-6 years to become a senior-level coder. It is also important to note that JavaScript is a versatile coding language used for web, application, and game development.

JavaScript has a wide range of applications, including website development, web applications, presentations, server applications, web servers, games, art, and smartwatch apps. JavaScript is a scripting language used to create dynamic web pages and make them more interactive and engaging. It is also used for game development, as it can run on almost all devices due to its compatibility. Other important applications of JavaScript include creating single-page applications, mobile app development, and web servers. Many famous websites, including Google, YouTube, Facebook, and Amazon, use JavaScript, making it an essential skill for professionals to master.