Guide To Repeating Sections

The articles below have been reordered to be more useful. Core Articles are those directly supported by the documentation and which are handy to know for anyone writing code for Repeating Sections. Extra Articles are extrapolations from the existing documentation, and additional features you can use.

Core Articles

• What Is a Repeating Section?
  Describing a repeating section and explaining how and why to use it.
• Repeating Section Names
  Understanding how to name the elements of a repeating section.
• Building a Repeating Section (HTML)
  Understanding the HTML and basic CSS of a repeating section.
• Styling a Repeating Section (CSS)
  How a repeating section is constructed on the sheet.
• Styling the Section Buttons (CSS)
  How to change the appearance of the buttons below every repeating section.
• Simple Repeating Sections
  How to build a simple repeating section, avoiding commnon pitfalls.
• Less Simple Repeating Sections
  Creating more complex repeating sections.
• The One Line Repeating Section
  When working ENTIRELY within a single row of a Repeating Section, Roll20 can supply the Row ID.
• Combining Repeating Sections and Global Stats
  How to combine global stats with a repeating section.
• Advanced Action Buttons
  Action Buttons have a few gotchas when used in a Repeating Section. Learn about them here.
• Undo in a Repeating Section
  You can build an undo function for repeating sections. Here's how.
• Repeating Section Gotchas
  There are a lot of little things that can trip you up, They are collected here.
• A Summary of Repeating Sections
  An overview of the entire series.

Extra Articles

• Radio Buttons in Repeating Sections
  How to fake a radio button across all rows of a repeating section.
• Create Unique Repeating Section ID
  Creating a repeating section row id can create a problem. Here's a fix.
• getSectionIDs and the structure of a Repeating Section
  Re[eating sections often follow a very similar structure. We look at that here.
• Chat Buttons to Launch Abilities
  Add buttons in chat to launch abilities from a character sheet. This can be tricky for abilities in a repeating section.
• Ordering Repeating Sections
  Players can manually reorder a repeating section. But that can create subtle problems...
• Filtering a Repeating Section
  Want to filter a repeating section to show exactly what you want?
• Repeating Section Row Id
  How to store the row id of a repeating section, and make it available for players.
• Arranging The Rows of a Repeating Section
  Exploiting the structure of a repeating section to change how it is presented.
• Sorting a Repeating Section
  Sorting a repeating section is not officially supported. Here's how you might attempt it.
• Repeating Section Function Library
  An assortment of sheet worker functions useful for repeaating sections.

Multiple Repeating Sections

You often need to manipulate multiple repeating sections in the same worker. There are several ways to handle this problem.

1. Introduction
   Demonstrating four ways to work with any number of repeating sections. Here is the HTML & CSS used in the next 4 posts.
2. Separate Outputs
   How to combine multiple Repeating Sections
3. using repeatingSum
   A guide to using repeatingSum, a simple and powerful, though limited, add-in function,
4. Russian Dolls
   Handling multiple RS by nesting them
5. My Custom Function
   My preferred method, a complex drop-in function to handle any number of Repeating Sections