JavaScript is developed in 1995 by Brendan Eich, a computer scientist and programmer at Netscape Communications Corporation. The initial name of the JavaScript was 'Mocha'. After that, it changed to 'LiveScript', and then 'JavaScript'. Over the years, JavaScript has evolved and become more powerful, with the addition of new features such as object-oriented programming, regular expressions, and support for asynchronous programming. Today, JavaScript is used in a wide range of applications, including web development, mobile app development, and server-side programming. JavaScript language is interpreted and executed by the browser.