What is JavaScript?

• A scripting language that allows you to implement complex features on web pages.

• Enables you to update content dynamically, control multimedia, animate images, and much more.

• We use HTML to structure and give meaning to our web content, CSS to apply styling to our HTML content and JavaScript to add behavior aspects and to make the page interactive.

History of JavaScript

• JavaScript was invented by Brendan Eich in 1995.

• It was developed for Netscape 2 and became the ECMA-262 standard in 1997.

• Initially known as LiveScript, Netscape changed the name to JavaScript so they could position it as a companion for the Java language, a product of their partner, Sun Microsystems.

• Its earliest releases suffered from notable performance and security issues, but developers had no alternatives.

• In 2008, the creation of Google's open-source ChromeV8, a high-performance JavaScript engine, provided a crucial turning point for JavaScript.

• Ryan Dahl released an open-source, cross-platform environment called Node.js. It provided a way to run JavaScript code from outside a browser.

• It freed JavaScript from the browser's confines and led directly to JavaScript's current popularity.

Nowadays, most major online companies today, including Facebook, Twitter, Netflix, and Google, all use JavaScript in their products.