Automatic scroll when open collapse

Hi.
I use a HTML Button who open a web page with a anchor collapse. I want to have a auto-scroll in top of the web page when opening the collapse. Here the code i use :

<button>Détails</button>

What code i need to use to have the auto-scroll up to the page.
Thank you.

• This topic was modified 8 years, 1 month ago by champac.
• This topic was modified 8 years, 1 month ago by champac.
• This topic was modified 8 years, 1 month ago by champac.