How to make one collapsible tab open by default in dawn?

Topic summary

Goal: make one product page collapsible tab (using Shopify metafields) open by default in the Dawn theme.

Context: The requester cannot set a default-open tab via the page editor and asks for a code-based solution.

Latest updates:

  • A helper requested the store URL to inspect the setup; the preview URL was provided.
  • After reviewing, the helper stated the current code cannot achieve a default-open tab as-is and suggested adding new code.
  • An external example was shared via CodePen (“Collapsible Tab Open By Default”), indicating a possible implementation approach.

Key terms:

  • Metafields: custom data fields in Shopify used to populate content like tabs.
  • Collapsible tabs: sections that expand/collapse to show or hide content.
  • Dawn: Shopify’s default theme.

Outcome/next steps:

  • No fix applied yet in the theme; adopting the example code or similar customizations is needed.
  • The discussion remains open, pending implementation guidance or a code snippet integrated into the Dawn theme.

Central resource: The linked CodePen is essential to understanding the proposed solution.

Summarized with AI on February 7. AI used: gpt-5.

Hello everyone, i’m already using metafields for the collapsible tabs in my product page, and i’d like to make one of the tabs open by default, i can’t make one of them open by default in the page editor and since i don’t really know how to code so i came here looking for advice, if someone who knows how to code could help me with that i would be really grateful

1 Like

@matdantas

Sorry you are facing this issue, it would be my pleasure to help you.

Welcome to the Shopify community! :blush:
Thanks for your good question.

Please share your site URL,
I will check out the issue and provide you a solution here.

1 Like

Hello, this is the site url https://iotqls5oi4fs2q4a-55453679687.shopifypreview.com/

1 Like

@matdantas

thanks for url i have check our current code not possible make new code below example

Collapsible Tab Open By Default