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In other words, JavaScript alone will take your career further than any other language if you’re interested in building web applications. Many large companies - including LinkedIn, eBay, PayPal, Netflix, and Medium - power at least portions of their websites with Node.js. Node.js is a lightweight and scalable way to build even the most complex applications in pure JavaScript. It can power entire applications - front and back.įinally, as a scripting language, JavaScript can be used on servers as well as in browsers - offering new programmers and even designers a “gateway drug” to back-end development. APIs are the computer equivalent of sending not merely a brunch snapshot, but a chance to consume the whole meal as well.ģ. JavaScript can enable actual applications to communicate with each other, sending data back and forth via application programming interfaces (APIs). Meanwhile, Spotify, Facebook, and Instagram don’t even load without JavaScript, much less allow you to stream music or instantaneously post comments.īut this native language of the web does much more than enable you to share your latest brunch photos through social media. Gmail’s interface looks straight out of the late 1990s. Without JavaScript, Twitter doesn’t refresh with new tweets every second. Some of the websites you use every day rely heavily on JavaScript to power real-time. Try disabling JavaScript for a day - or even for a minute.
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It’s a big player in nearly every major website. JavaScript allows browsers to collect user input, load new content without refreshing a page, and improve user experience.Ģ. More importantly, JavaScript offers a way for users to interact with computers in ways that HTML and CSS do not. The language often used to create interactive effects in web browsers, JavaScript interacts with HTML, CSS, and data both on and off the screen to manipulate their appearance, size, number, shape.
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That’s because JavaScript is quickly becoming the most popular programming language in the world in the eyes of many, it already is. Yet, when it comes to the future of web development, JavaScript is one sure bet - and not just for developers: JavaScript is a major resume boost for anyone who wants to work within arms’ reach of a WiFi-connected laptop. In an environment where new technologies develop at dizzying speed, it can be hard to devote yourself to any one language or stack. From Adobe Creative Suite to Zero Day Exploits, you could spend an entire career attempting to become the ideal developer to meet any one of these job’s multiple requirements. Browse any number of job postings for web developers - front-end, back-end, full-stack it doesn’t matter - and every single job will require different expertise.