Should dropdown caret icon change when open? [duplicate]

1. What is caret in dropdown?
2. How to change dropdown icon in Bootstrap 5?
3. What is the caret symbol in CSS?

What is caret in dropdown?

Example Explained

dropdown class indicates a dropdown menu. To open the dropdown menu, use a button or a link with a class of . dropdown-toggle and the data-toggle="dropdown" attribute. The . caret class creates a caret arrow icon (), which indicates that the button is a dropdown.

How to change dropdown icon in Bootstrap 5?

Use dropdown, add . hidden-arrow class next to . dropdown-toggle and change text into icon in <button> element. If You want an icon in the dropdown, just add the icon next to the text in <li> element.

What is the caret symbol in CSS?

( ^ ) means it selects elements that have the specified attribute with a value beginning/starting exactly with a given string.