In this Java Script tutorial you will learn about Introduction to Java Script, Origin of Java Script, Need of Java Script, Differences between Java and Java Script and Uses or Advantages of Java Script.Java Script was developed by Netscape by a person named as Brendan Eich. Though it was introduced as a client0side scripting languge and is most geenrally used like that there is no restriction for one using it in server side also. The original name that Java script had when it was intrduced was Livescript.