With web and mobile software development being two main biggest directions those skills are always in-demand in the job market. It gives us a way to build native mobile apps for both platforms - iOS and Android - at the same time! If we are looking at mobile apps development we can also do it with JavaScript's library called React Native. While where are many alternatives to choose from in the server-side development, JavaScript holds it's strong position for many years now thanks to Node.js engine and the most popular server framework Express.Īnd that's not it. mobile or even desktop app when you need to implement features like persistent data storage, users authentication, interactions between users, secured online card payments, sending email notifications, etc. Next important area of software development is the back-end or server-side development. This year React.js surpassed jQuery (the oldest JavaScript library which is mostly obsolete now but is still maintained in the millions of websites) And by using front-end libraries, such as React, we can build scalable, fast, powerful and reusable front-end web apps.Īnd again, there is no other library as popular as React.js among developers and recruiters.

There is no other language which can run directly in the browser.

Front-end in web development means everything we see in the browser, all the webpages we interact with if they do any functionality are powered by JavaScript. Thanks to a versatility it provides we can use JavaScript in several different areas of software development without compromising anything.įor starters, JavaScript is the one and only language of the web when we are talking about front-end development. Knowing JavaScript opens numerous possibilities for a developer. According to, the biggest community website for professional and enthusiast programmers, JavaScript has been the world's most popular language for 9 years in a row.

Learning javascript