How can I automatically open the first collapsible row?

[niceeee]

url: https://quick-start-999eac94.myshopify.com/products/elegoo-neptune-4-pro

password:nayldu

[Dan-From-Ryviu]

Hi @niceeee

You can do that by adding this code to your main-product.liquid after

[howie2022]

Hi, sir. If for all collapsible row, how can i set?

[Dan-From-Ryviu]

You can try to use this code

[howie2022]

Thank you for your reply. But it seems no work.

[Dan-From-Ryviu]

@howie2022 please share your store to check?