Use alert() function to display a popup message to the user.
to display a simple message or display a message and take user's confirmation on it or display a popup to take a user's input value. Alert Box.
When you click the button, something exciting happens.
PranchalKatiyar. You can create an element with type="text" by using the document.createElement() method:
Here is a page with a web form containing two textboxes and a button. The tag specifies an input field where the user can enter data.
An alert dialog box is mostly used to give a warning message to the users.
Alert Dialog Box. The element is one of the most powerful and complex in all of HTML due to the sheer number of combinations of input types and attributes. Once data is entered into the box, the placeholder disappears; if the box is emptied, the placeholder reappears.