更改可折叠菜单标题中的文本会导致其消失

I am trying to create an application that stores data in a series of collapsible menus. First there is a menu for months, then days inside the months, then times inside the days and then data inside the times. I need the headings for the menus to be able to change depending on the time and date the user enters, but if I change the heading text it the menu loses its graphic and just becomes text. When clicked on it displays the contents of the collapsible, but does not trigger the onclick event of the collapsible. Most of the html code given was generated by Codiqa. How do I make this work right?I am trying to create an application that store