JAVASCRIPT AND COMPANIES USING JAVASCRIPT
WHAT IS JAVASCRIPT ??
JavaScript is the Programming Language for the Web. JavaScript is a scripting or programming language that allows you to implement complex features on web pages:
👉Every time a web page does more than just sit there and display static information for you to look at
👉Displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc.
👉You can bet that JavaScript is probably involved.
It is lightweight and most commonly used as a part of web pages, whose implementations allow client-side scripts to interact with the user and make dynamic pages. It is an interpreted programming language with object-oriented capabilities. JavaScript was first known as LiveScript, but Netscape changed its name to JavaScript, possibly because of the excitement being generated by Java. JavaScript is also a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive.
→👉Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.
JavaScript improves the user experience of the web page by converting it from a static page into an interactive one. Common examples of JavaScript that you might use every day include the search box on Amazon, a news recap video embedded on The New York Times, or refreshing your Twitter feed.
The merits of using JavaScript are −
👉Less server interaction − You can validate user input before sending the page off to the server. This saves server traffic, which means less load on your server.
👉Immediate feedback to the visitors − They don’t have to wait for a page reload to see if they have forgotten to enter something.
👉Increased interactivity − You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard.
👉Richer interfaces − You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors.
Companies using JS:
1) NetFlix:
Netflix moved away from its more traditional structure into the cloud and started to introduce NodeJS.
With Node, Netflix was able to break down pieces of their user interface into individual services.
This more distributed approach was able to speed things up and alleviate stress on their servers.
Today, a large portion of Netflix’s interface is running on Node.
2) Facebook:
Try disabling JavaScript in your web browser and go to Facebook. The website will actually stop you from logging in because it won’t work without JavaScript.
Each section of your Facebook page is a collection of independent JavaScript applications.
Facebook created React, one of the most popular front-end frameworks. Facebook uses React on Facebook.com as well as Instagram and WhatsApp.
3) LinkedIn:
LinkedIn relies on NodeJS for its mobile site. LinkedIn switched over to NodeJS to solve its scaling problems.
Node’s asynchronous capabilities allowed the LinkedIn mobile site to perform more quickly than before while using fewer resources.
Node also made data sharing and building APIs easier for LinkedIn developers.
4) PayPal:
PayPal is the go-to online platform for making electronic payments through a trustworthy service. PayPal uses Node.js to build user-facing content.
The PayPal software team likes that Node.js empowers developers to build both server-side and client-side with JavaScript.
It unifies the developer experience in a way that is helpful to the development process.
Conclusion:
JAVASCRIPT IS EVERYWHERE! !Search engines, e-commerce, content management systems, responsive design, social media, and phone apps would not be possible without Javascript. Many companies are also running the largest production deployments of NodeJS. The others are responsible for important parts of the JavaScript ecosystem as a whole. In conclusion, JavaScript is extremely versatile and flexible.
Thank You!