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
| 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
Example
Display a prompt box which ask the user for her/his name, and then write a
greeting to the page:
<html>
<head>
<script type="text/javascript">
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>
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Try it yourself »
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Window Object
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