JavaScript is a scripting language that is used to create interactive web applications. Interactive pictures, carousels, and forms may all be powered by JavaScript. Back-end frameworks like Node.js may be used with the language to power the mechanics of a web page, such as form processing and payments.
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One of the three basic technologies that underpin web applications is JavaScript. If you're new to the site, you might be wondering what the JavaScript programming language is and what is JavaScript used for.
It's critical to grasp the possible uses of JavaScript before you begin learning to code with it. And in this blog, you will know what is JavaScript used for in detail. And with the help of it, you will determine that learning JavaScript is a wise investment for you, given your long-term job objectives and aspirations.
What is JavaScript?
You can bet that JavaScript is running in the background whenever you see a webpage that does more than just display content. And JavaScript enables you to make a website more dynamic by automating content updates, producing animated images, and resizing web page components.
HTML and CSS allow you to define a web page's structure and design, respectively. These are the other two languages that are used to create web pages. If you want to make a site interactive and include dynamically updated content, you need to employ JavaScript.
What is JavaScript Used For?
While JavaScript is primarily known for front-end web development, it has a wide range of applications. The front-end of a website is the section that a user sees. Let's look at four of the most common applications of the JavaScript programming language.
#1: Front End Web Development
You may add dynamic elements to a website using JavaScript, such as changing text and content or graphics that resize themselves. These are modifications to the user's experience, which means they are visible to the user and affect how they interact with the site in their web browser.
Here you can see some examples of front-end modifications that you can do on a website with using JavaScript:
- When a button is pressed, information is shown.
- Make a dropdown menu that appears when you click it.
- Allow a user to enlarge or reduce the size of a picture.
- On a website, display a series of tabs.
- On a website, use animations.
- On a web page, you may listen to or watch audio or video.
#2: Back End Web Development
For server-side development, you may also use JavaScript in conjunction with Node.js. The back end refers to the programming behind the scenes on a web server to make a website operate.
For example, by using JavaScript and Node.js you can save form data to a database. A JavaScript back-end might handle payments, save user postings, and do any other back-end tasks that a website requires.
#3: Mobile Application Development
Traditionally, mobile apps were written in operating-system-specific languages. Several tools have been created in recent years that allow you to design mobile applications using the JavaScript programming language. Swift is utilised for iOS programming, while Java is used for Android development.
These frameworks include React Native, for example. It enables you to create application by using JavaScript and React that are mobile-friendly. Adobe's Phonegap platform allows you to create mobile apps using web technologies. Other frameworks that you may use for this include Angular and Vue.
#4: Game Development
In online gaming, JavaScript is used. Because JavaScript is not as capable as other languages for creating games, many of these games are simple platform games. And on internet, you'll find a slew of JavaScript-powered games, such as Cookie Clicker.
Building a game that is browser-based with the help of JavaScript has a lot of drawbacks. However, game developers frequently use the language to make basic games. If you want to make huge games, JavaScript does not scale well on its own.
For example, JavaScript is used in many computer games that today's high school kids play. The benefit of using JavaScript for the creation of basic games is that it allows you to make something that runs in the browser. As a result, there is no need for the user to download anything in order for operating the game.
Conclusion: What is JavaScript Used For?
JavaScript is a web development language, but it is so much more. JavaScript may be used to create both front-end and back-end web applications. Simple web games frequently use JavaScript. You can also make mobile apps with JavaScript.
JavaScript is a widely-used programming language. It's frequently used in conjunction with other frameworks like React, Ember, Node.JS, Vue, Angular, and others. These tools include a variety of pre-built functions that augment the JavaScript framework's capabilities.
JavaScript is a skill you should acquire if you're interested in web development.
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