Which one is the best for the user, button or icon for the Close in dialog/modal?

1. Should a modal have a close button?
2. When a modal box appears what should the user do?
3. What is dialog button?
4. How to close a dialog box in Javascript?

Should a modal have a close button?

Closing the modal: Always provide a clear close option for users by using a button or an 'x' icon at the top right of the modal.

When a modal box appears what should the user do?

The purpose of modals can be summed up in one word: focus. If you need visitors to focus on something simple, a modal window is one of the most effective means to do so. Users must either close the modal, or complete a specific action within it (e.g., reading a message and clicking “OK”, filling out a form, etc.).

What is dialog button?

A dialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally used for modal events that require users to take an action before they can proceed. Dialog Design.

How to close a dialog box in Javascript?

close() The close() method of the HTMLDialogElement interface closes the <dialog> . An optional string may be passed as an argument, updating the returnValue of the dialog.