Introduction to JavaScript

JavaScript is a widely used web-based programming language that powers the dynamic behaviour on most websites, including this one, and several of the ones you visit.

In this lesson, you will learn about data types and built-in methods, essential knowledge for all aspiring JavaScript developers. When you finish, you’ll know how to write programs that solve mathematical expressions, compute the length of a word, and generate random numbers.

This lesson covers the building blocks of JavaScript. Make sure to take notes and pace yourself. This foundation will set you up for understanding more complex concepts later.

So why learn JavaScript anyhow?

  • Javascript Is In The Browser: JavaScript is the de facto language of the web, meaning your browser has it, and you can do all sorts of stuff to/in your browser without the pain of setting up environments and code editors, downloading compilers and learning how to use them and whatnot. This makes it the biggest reason why one should learn JavaScript.
  • Most Popular Programming Language In The World: It’s the most used and popular programming language of the world and that makes it a programmer’s great choice. It happened because JavaScript was able to sneak into browsers when it was unpopular.

It’s Everywhere: JavaScript is everywhere. Perhaps it was inspired by the co-founder of StackOverflow Jeff Atwood’s famous Atwood’s Law:

EVERYTHING THAT CAN BE WRITTEN IN JAVASCRIPT WILL BE WRITTEN IN JAVASCRIPT

It works on the server with node.js, it has been working in browsers since 1995, it works on The Internet of things (IoT) Devices, it’s used to build perform-ant native apps, it’s used to make cross-platform desktop apps, it’s used to power smart TVs, you can create music with it, you can create the next generative art of the century using it. We guess these are enough reasons why one should learn JavaScript. In short, it’s literally everywhere!

  • It’s Easy To Learn: There’s an opinion about JavaScript that sometimes even after developing for ages, developers wouldn’t necessarily know even the basics of JavaScript. That could’ve happened 5 – 10 years ago when most of them started with learning jQuery, not anymore. JavaScript is easy to learn.

Feel free to contact us if you have any questions comments or concerns in your journey to learning JavaScript.  You can even speak live with a web expert by using the green and black chat bubble in the bottom right hand of the screen.


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