User script

A user script is a script that is run in a Web browser to make live changes to a Web page. These scripts are oftentimes used to add some functionality to a page or to change its appearance. These are typically written in JavaScript, but can be written in other languages as well.

A common tool for creating user scripts is Greasemonkey, which is an extension for the Firefox Web browser. You can find out more about it by visiting the Greasemonkey Web site.

Also see: Script, User