JavaScript Basic Tutorial
JavaScript is an object-oriented scripting language, it is dynamic, weakly typed, prototype-based language. It was developed by Brendan Eich of Netscape Navigator. At first it was named Mocha, then LiveScript and at last JavaScript. Since Netscape supports Java, that's why the name coined as JavaScript.
JavaScript, though the name has a resemblance with Java, these are unrelated.
Features of JavaScript:
JavaScript Hello World