What is JavaScript and why it is so popular now-a-days??
What is JavaScript and why it is so popular now-a-days??
JavaScript is an interpreted programming language. It is designed for creating network-centric applications. JavaScript is very easy to implement because it is integrated with HTML. It is open and cross-platform.
JavaScript is a fun and flexible programming language. It’s one of the core technologies of web development and can be used on both the front-end and the back-end.
JavaScript is a scripting language used to create and control dynamic website content, i.e. anything that moves, refreshes, or otherwise changes on your screen without requiring you to manually reload a web page. Features like:
- Animated graphics
- Photo slideshows
- Autocomplete text suggestions
- Interactive forms
An even better way of understanding what JavaScript does is to think about certain web features you use every day and likely take for granted—like when your Facebook timeline automatically updates on your screen or Google suggests search terms based on a few letters you’ve started typing. In both cases, that’s JavaScript in action.
Why to Learn JavaScript
Javascript is a MUST for students and working professionals to become a great Software Engineer specially when they are working in Web Development Domain. I will list down some of the key advantages of learning Javascript:-
- Once you learnt JavaScript, it helps you developing great front-end as well as back-end softwares using different JavaScript based frameworks like jQuery, Node.JS etc
- JavaScript is everywhere, it comes installed on every modern web browser.For example Chrome, Mozilla Firefox , Safari and every browser you know as of today, supports JavaScript.
- JavaScript usage has now extended to mobile app development, desktop app development, and game development. This opens many opportunities for you as JavaScript Programmer.
- Due to high demand, there is tons of job growth and high pay for those who know JavaScript. You can navigate over to different job sites to see what having JavaScript skills looks like in the job market.
Why we love it(JavaScript):
- Versatile and robust
- Front-End friendly
- Back-End friendly
- Enables web applications
- Game Development
- Mobile Apps
What is JavaScript and why it is so popular now-a-days??
Here we can see how this JavaScript programming language is so popular and most of the developer use it for developing websites.
JavaScript popularity
HOW DO YOU ADD JAVASCRIPT TO A WEBSITE?
Actually adding JavaScript code to a web page is a pretty simple process (and a familiar one if you’ve done any coding with HTML and CSS). JavaScript can be added directly to a page’s code using <script> tags and giving them the type attribute text/JavaScript.
<script type="text/JavaScript"> JavaScript code goes here </script>
Hello World program using JavaScript
<html>
<body>
<script language = "JavaScript" type = "text/JavaScript">
document.write("Hello World!")
</script>
</body>
</html>
output:Hello world
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