How do I prevent default actions in JavaScript?

How do I prevent default actions in JavaScript?

You can prevent default actions in JavaScript by using the event.preventDefault() method in your event handler.

Can you give me an example of where I might use that?

Sure! For instance, if you have a form submission and you want to validate the input before submitting, you can call event.preventDefault() to stop the form from submitting immediately.

What if I want to prevent the default action of a link?

You can do that by adding an event listener to the link and calling event.preventDefault() within that listener.

Is there a way to prevent default actions for multiple events?

Yes, you can attach the same event handler to multiple events and call event.preventDefault() in that handler.