I tried using Angular Aria's ngMenu based on the setup from the docs but it doesn't seem to work. The onSelect output doesn't emit the selected value.

In a scenario where the dropdown value is a state variable that can also be set by another component, whenever you change the variable react-dropdown-now will fire both onChange and onSelect. If the ...

比如我有个textarea文本框，我想对其中选定的文本进行操作，如何确定有没有选中文本呀？谢谢各位了！