Have a look at the following (german) webpage:

https://www.wikifolio.com/de/de/wikifolio/esi893

When you goto section "Handelsidee" and click on the minus sign right of it you can collapse the section.

See the following code snapshot:

http://www.picfront.org/d/9qjt

I want to automate this when I visit the web page.

When I code therefore:

$('div.accordion-header.collapsed[href=#collapseOne]').click();

then this collapse action does not work.

Why?

Peter