it doesn't work. I am using Bootstrap 5 by the way. ... Thank you. I didn't know I should search Accordion, I was searching collapse. Thank you ... ... <看更多>

區塊內之互動子元素，使用button 類型(a:link 亦可），公式為 button.accordion-button 並指定屬性 data-bs-toggle="collapse" . ... <看更多>

I am using Bootstrap 5 and therefore the data attributes to make an accordion collapsable, as expected (data-bs-toggle="collapse"). ... <看更多>