Java, Javascript

Two independent, but related programming languages that are largely Web-based. They permit augmented functionality of and enhancements to a Web site. If one's browser is unable to use these languages, the enhancements or features found in the Web site will usually not be displayed. Netscape and Microsoft support both types of languages.

JPEG

Joint Photographic Experts Group. An algorithm and standard for compressing digital photographic images. Related to GIF.