JavaScript

A cross-platform, World Wide Web scripting language developed by Netscape Communications. JavaScript is a client-side programming language.

JavaScript can be embedded in HTML pages to create interactive effects and do tasks like validate form data. JavaScript is a separate language from Java.

All popular modern browsers support JavaScript. A few hosts support server-side JavaScript.

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Java

Java is a network-oriented programming language invented by Sun Microsystems that is specifically designed for writing programs that can be safely downloaded to your computer through the Internet...

Java applet

A short program written in Java that is attached to a World Wide Web page and executed by the browser machine.

Java Servlet

Servlets are programs written in Java that run on a Web server and can produce dynamic pages.

JDK

Java Development Kit , A software development package from Sun Microsystems that implements the basic set of tools needed to write, test and debug Java applications and applets.

JScript

Microsoft's implementation of ECMAScript standard based on JavaScript. Limited, object-based, interpreted scripting language. JScript is comparable to VBScript.