JavaScript Course for Beginners – Your First Step to Web Development

In this 3-minute introduction, I'm going to answer four frequently asked questions about JavaScript. What is JavaScript , what can you do with it, where does JavaScript code run and what is the difference between JavaScript and ECMAScript . So let's start with the first question. What is . What is JavaScript? JavaScript is one of the most popular and widely used programming languages in the world right now . It's growing faster than any other programming languages and big companies like Netflix, Walmart, and PayPal build entire applications around JavaScript . And here's the average salary of a JavaScript developer in the United States . That is $72,000 a year. So . So it's a great opportunity to get a good job out of learning JavaScript . You can work as a front-end developer or a back-end developer or a full stack developer who knows both the front end and the back end . Now, the second question. . What can you do with JavaScript ? For a long time, javascript was only used in browsers to build interactive web pages some but those days are gone because of huge community support and investments by large companies like Facebook and Google these days you can build full-blown web or mobile apps as as well as real time networking applications like chats and video streaming services command-line tools or even games here's an example a third question where does JavaScript code run javascript was originally designed to run only in browsers so every browser has what we call a JavaScript engine that can execute JavaScript code for example the JavaScript engine s in firefox and chrome are SpiderMonkey and v8 in 2009 a very clever engineer called eer called Ryan Dahl took the open-source JavaScript engine in chrome and embe and embedded it inside a C++ program he called that program node the node is a C++ program that includes Google's v8 JavaScript engine now with this we can run