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A userscript is a small extension to a browser, written in JavaScript, enabling extra functionality on a webpage. If you have a question about a specific Stack Exchange userscript, try to locate it on Stack Apps; such questions are off-topic here.

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Tag wikis help introduce newcomers to the tag. They contain an overview of the topic defined by the tag, along with guidelines on its usage.

All registered users may propose new tag wikis.

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Code Language (used for syntax highlighting): lang-js