window.prompt Method Javascript DOM

window.prompt Method Javascript DOM Share / Like

The prompt method of the window object is used to render a dialog box that requests text needed to proceed with a particular action that the script is about to perform. It also gives the user the ability to cancel the action if they wish to.

SYNTAX window.prompt( messageToUser, defaultValue )

Parameters

messageToUser
Message that appears above the input text field in the box.

defaultValue
Optional default value pre-inserted into the input text field in the box.

Javascript CODE EXAMPLE

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function myPrompt(){
    var promptValue = prompt('Supply text:', 'optional default value');
    if(promptValue != null){
        document.getElementById("status").innerHTML = promptValue;
    }
}
</script>
</head>
<body>
<p><input type="button" value="Supply Value" onclick="myPrompt()"></p>
<h3 id="status">status...</h3>
</body>
</html>

status...

Related Material

alert()
confirm()

Libraries

Videos

Resources

Parameters

status...