JavaScript and its Industry Use Case:

What is JavaScript??

JavaScript (JS) is one of the most popular programming languages, commonly used for creating interacting websites. it is is a text-based programming language used both on the client-side and server-side. Whereas HTML and CSS give a website structure and style, JavaScript lets you add functionality and behaviors to your website.

History of JavaScript:

JavaScript was developed in September 1995 by Brandan Eich, who was a Netscape programmer (Netscape navigator was a popular browser in the 1990s). Initially, its name was Mocha, but quickly became known as LiveScript and, later, JavaScript. it became the ECMA-262 standard in 1997.

Features of JavaScript:

• Light Weight Scripting Language because it is not a general-purpose language so it has a limited set of libraries, and is only made for handling data at browser.
• It Supports dynamic typing so the type of the variable will be defined on the basis of stored value.
• Object-Oriented programming Support.
• Platform-Independent.
• Provides more control to the browser 
• It can validate user input.
• Prototype-based language.
• Interpreted Language.

Uses of JavaScript:

• Web Development.
• Mobile App Development.
• Game Development.
• Presentation.
• Server Applications.
• To display date and time.
• To validate the user input before submission of the form.
• Open and close new windows.
• To display dialog boxes and pop-up windows.

Top Websites which are built using JavaScipt:

• Google.
• Facebook
• Yahoo!
• Amazon
• .Twitter
• Bing
• Wikipedia.
• YouTube.
• eBay.
• Linkedin.

Facebook is using JavaScript: -

Facebook is the most popular social networking site where we can connect with our friends, relative, and other people. we can chat, share our content, comment on posts, and, etc. Facebook is using JavaScript for providing new interacting features for users

Facebook has also created React, an open-source JavaScript framework. React is a popular open-source JavaScript library that performs data viewing with the help of HTML. It is also known as ReactJS and React.js. They are using it for developing websites for a lot of their products like Instagram, Messenger, Whatsapp.

The Facebook development team used React Native to create their current mobile applications for both iOS and Android. Both mobile apps were created by the same development team using a single JavaScript language, so they share common features and work in the same intuitive manner. the deployment of native applications has improved Facebook’s user experience.