For many years JavaScript was considered a second-league interpreted language with the main purpose of making web pages a little prettier. In reality, JavaScript became the main programming language for the majority of the UI developed for web applications. You can run JavaScript on the server-side too. JavaScript is a flexible, dynamically typed language that supports both object-oriented and functional programming.But mastering JavaScript can present a challenge to developers who started with classical object-oriented languages like Java, C++, or C#, as they quickly find themselves in the Wild West Land of dynamic programming. Why learn JavaScript? First, learning how things are done in a different language makes you a better developer in your primary language. Second, adding JavaScript to your skill set makes you a more valuable software developer.This fast-paced presentation will introduce you to JavaScript, highlighting how it differs from the classical object-oriented way of programming.