How do I use preventDefault in JavaScript?

What does preventDefault do in JavaScript?

The preventDefault method stops the default action of an event from happening. For example, it can prevent a form from submitting.

Can you show me an example of how to use preventDefault?

Sure! Here's a simple example:

document.querySelector('form').addEventListener('submit', function(event) {
    event.preventDefault(); // Prevents the form from submitting
    console.log('Form submission prevented!');
});

When should I use preventDefault?

You should use preventDefault when you want to override the default behavior of an event, like stopping a link from navigating.

Are there any drawbacks to using preventDefault?

Yes, overusing preventDefault can lead to unexpected behavior, especially if users expect certain actions to occur.