SHARE THIS PAGE

JS & DOM Reference

Overview

JavaScript Objects

JS Array JS Boolean JS Date JS Math JS Number JS String JS RegExp JS Global

Browser Objects

Window Navigator Screen History Location

Core DOM Objects

DOM Node DOM NodeList DOM NamedNodeMap DOM Document DOM Element DOM Attr

HTML DOM Objects

DOM Document DOM Events DOM Elements
DOM Anchor DOM Area DOM Base DOM Body DOM Button DOM Form DOM Frame/IFrame DOM Frameset DOM Image DOM Input Button DOM Input Checkbox DOM Input File DOM Input Hidden DOM Input Password DOM Input Radio DOM Input Reset DOM Input Submit DOM Input Text DOM Link DOM Meta DOM Object DOM Option DOM Select DOM Style DOM Table DOM td / th DOM tr DOM Textarea

Window prompt() Method

Window Object

Definition and Usage

The prompt() method displays a dialog box that prompts the visitor for input.

This method returns the string the visitor has entered.

Syntax

prompt(msg,defaultText)

Parameter	Description
msg	Required. The message to display in the dialog box
defaultText	Optional. The default input value

Browser Support

The prompt() method is supported in all major browsers.

Example

Display a prompt box which ask the user for her/his name, and then write a greeting to the page:

<html>
<head>
<script>
function disp_prompt()
{
var fname=prompt("Please enter your name:","Your name")
document.getElementById("msg").innerHTML="Greetings " + fname
}
</script>
</head>
<body>

<input type="button" onclick="disp_prompt()" value="Display a prompt box">
<br><br>

<div id="msg"></div>

</body>
</html>

Try it yourself »

Window Object