The following code will ask for the user name when the page is loaded and then add the name with the greeting message to display it in the browser. It needs the following two set of information: Prompt box can be used in many practical scenarios and one such an example is to greet the user along with the name. A welcome message to the user when the site is loaded. Unlike an alert box which is used to display a short message with a single OK button, prompt box has the following features: Prompt box also halts the loading of webpage till the time a response is received from the user. The check all function finds all checkboxes in a designated form, regardless of the checkbox name. The prompt box takes the focus and forces the user to read the specified message. Copyright 2011-2018 www.javatpoint.com. All rights reserved. As soon as the user clicks on OK (or close) an image will be loaded. The box is displayed using the prompt() method, which takes two arguments: The first argument is the label which displays in the text box, and the second argument is the default string, which displays in the textbox. WebNots is a knowledge sharing platform for webmasters and tech geeks. based on user input: If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: var person = prompt("Please enter your name", "Harry Potter"); W3Schools is optimized for learning and training. Do not overuse this Following JavaScript code uses prompt method to ask a question to the user. Let's see some examples of the JavaScript prompt() method. It is another example of using the prompt() method. This section explains how to create confirm dialog box using JavaScript which is used to confirm the action taken by the user. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. We can omit this value if we don't require to show anything in the prompt. We have published 2000+ free articles focusing on website building and technology. It can be written without using the window prefix. The prompt() method displays a dialog box that prompts the visitor for input. It is generally used to take the input from the user before entering the page. Here, we are using the line-breaks in the message of the box. To get the state of a checkbox, whether checked or unchecked, you follow these steps: alert. Here, there is an HTML button which is used for displaying the prompt box. If the user clicks The values i select in list box automatically comes up in Textbox prompt as Comma seperated values. Alert box is to show a message, prompt dialog box is to show a customized text message based on user input and a confirm dialog box is to confirm a user action on a webpage. In this example, there is a prompt box with a message and buttons. 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