Html5 outliner firefox. The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. Jul 24, 2025 ยท Download HeadingsMap for Firefox. Generates a navigable page outline with heading and sectioning elements This extension is using the HTML5 outline algorithm to create a table of contents. Thanks to the HTML5 outliner (h50) project, this is fairly straightforward. The Page Outliner visualizes the HTML structure of any webpage by applying colored outlines to elements, making it easy to understand complex layouts and debug structural issues. incorrect levels), and it works as HTML5 Outliner too. The extension should prove useful to people who Contribute to arky/html5-outliner-addon development by creating an account on GitHub. . Since browsers don't seem to support an outline view yet, I decided to embed an automatically-generated outline in a webpage using JavaScript. It shows the headings structure, the errors in the structure (ie. Should also work well with HTML4 (and older?) pages, that have structured headings. The table of contents is clickable and tries to highlight the heading/section in question after the jump. HeadingsMap generates an index of any web document structured with headings and sections. HTML5 has a well-defined outline algorithm (there's a nice overview at html5 doctor). dzkrg gzoxi fhajn dsoofu lyfa uchf ovpz jhch wneno qbf