Note that the table of contents automatically generates based on headlines. When you write headlines, make sure to click on a headline style: Heading 1 , Heading 2 , Heading 3, etc.

It's easier - write the JavaScript once and it can create the table of contents on every page you need it. It's more reliable - the JavaScript isn't subject to authoring errors.

How to insert Table of Contents in Google Docs. To insert Table of Contents in Google Docs, follow these steps: Open your Google Docs document. Mark your headings if you haven’t done that already.