Is there any return type for event attributes.

Question

if there is any return type
can we use that event attributes in if statement

Answer 1

No. Events don't return anything and therefore don't have a return type.
Events are not functions. Functions have return types. Events are objects with information about events.
Event handlers are functions, though. For an event handler, a return value of false can mean something special but no other type of value makes a difference.
For example:
onsubmit="return false" if you want a form to never really submit.
There is more detail at:
https://developer.mozilla.org/en-US/docs/Archive/Mozilla/XUL/Tutorial/More_Event_Handlers#Prevent_Default_Action

Answer 2

now I understand 👍
Thanks for your response 🙂