The prompt() method displays a dialog box that prompts the user for input. The prompt() method returns the input value if the user clicks "OK", otherwise it returns null.

Prompt Box. A prompt box is often used if you want the user to input a value before entering a page. When a prompt box pops up, the user will have to click either "OK" or "Cancel" to …

The confirm() method displays a dialog box with a message, an OK button, and a Cancel button. The confirm() method returns true if the user clicked "OK", otherwise false.

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How To Create a Modal Box. A modal is a dialog box/popup window that is displayed on top of the current page: Open Modal

This is an alert box. </div> If you want the ability to close the alert message, add a <span> element with an onclick attribute that says "when you click on me, hide my parent element" - …

The show() method shows an HTML <dialog> object. The show() method is often used together with the close() method.

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Tip: You can also use the following javascript to close the modal by clicking outside of the modal content (and not just by using the "x" or "cancel" button to close it):

The <dialog> tag defines a dialog box or subwindow. The <dialog> element makes it easy to create popup dialogs and modals on a web page.