In-page table of contents - Canada.ca design pattern
The in-page table of contents pattern is a list of links that lead to subsections of the same page. This pattern is intended for long documents that exist as a single page.
Use the in-page table of contents pattern to:
- provide an outline for the content of a single page that has multiple subsections
- provide an alternative method to jump to specific content on the page, without using the scroll bar
Use this pattern when:
- excessive scrolling is required to view all of the content on the page
- the page is divided into subsections, each with its own headings
Do not use this pattern when the document exists across several web pages. Instead, use the multi-page table of contents pattern.
How and when to use an in-page table of contents
- Always position the in-page table of contents pattern at the start of the page, before the substantive content of the page begins
- Label the pattern “On this page” to distinguish it from other page content and to provide consistency throughout the site
- Present links using list elements—bullets for an unordered list, numbers for an ordered list
- Use standard linking styles to ensure that the links present as clickable elements
- Present the in-page table of contents aligned to the left, as a vertical list, as opposed to using a column layout
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