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Invented in 1995, JavaScript is a widely-used programming language, especially in building interactive and dynamic web applications. (Prashant says, It's not limited to Web Apps nowadays)
JS is semi object-oriented, functional, and procedural programming language and can be used on both server and client-side applications. Any interaction that happens on a web page is JavaScript in Action.
JavaScript is an interpreted language that means computers and browsers can work with JS on the fly because of the engine that understands JS called Interpreter.
Topics you'll explore
JavaScript 101
Multiple Values