Analysis of information sources in references of the Wikipedia article "Userscript" in English language version.
You can customize Wikipedia in ways that make your editing easier with user scripts, which are written in JavaScript code.
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.
User JavaScript allows you to specify local JavaScript files for Opera to include on every page that you visit.