A graphics format used widely on the World Wide Web because of its high compression. This form of lossy compression takes advantage of a characteristic of human vision, removing color data in a way that is minimally apparent to the viewer of the JPEG image, and arriving at a compression ratio as great as 20:1. The importance of small image files is apparent to any Web surfer who has seen seasons come and go while waiting for a large image to download. Photographs and photorealistic art work well as JPEGs. Line art does not. (JPEG stands for Joint Photographic Experts Group, a committee of computer graphics pros who devised the standard.)
An object-oriented programming language developed by Sun Microsystems, Inc. to create executable content (ie, self-running applications) that can be easily distributed through networks like the Internet. Developers use Java to create special programs called applets that can be incorporated in web pages to make them interactive. A Java-enabled web browser is required to interpret and run the Java applets.
JavaScript Style Sheets (JSS), an alternative to CSS proposed by Netscape in 1996. It is only supported by Netscape Navigator 4, having never been supported by Internet Explorer, and with support for it being dropped in Netscape 6+ / Mozilla / Firefox.
see javascript
Scripting language (originally called LiveScript) developed by Netscape Communications for use with the Navigator browser. JavaScript code forms part of the HTML page and can be used for example to respond to user actions such as button clicks or to run processes locally or validate data. JScript is the Microsoft equivalent of Netscape's JavaScript for use with Microsoft's Internet Explorer.
JavaScript is a programming language that is mostly used in web pages, usually to add features that make the web page more interactive. When JavaScript is included in an HTML file it relies upon the browser to interpret the JavaScript. When JavaScript is combined with Cascading Style Sheets(CSS), and later versions of HTML (4.0 and later) the result is often called DHTML.
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