What is Javascript?


JavaScript is a scripting development language. Javascript is used to allow web pages to be interactive and is one of the three pillars of web technologies, the other two being HTML and CSS.

Without JavaScript, a web page will contain static content that you scroll through. JavaScript uses the page’s structure to provide interactive elements and retrieve new content in real-time via Ajax or to animate elements on the page. 

The evolution of Javascript went from a simple scripting language to JQuery, then to Typescript and other variations. The simple or plain version of Javascript is known as Vanilla Javascript.

The modern use of JavaScript is as typescript or Vanilla Javascript within frameworks like React or Angular. These frameworks provide a richer web experience by allowing developers to create SPA’s (Single Page Apps), which provide a better user experience and only load data when needed saving a round-trip to the server. 

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