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confirm method (window)

Browser support:

Displays a confirmation dialog with a message that the user needs to respond to.

The confirmation dialog contains an OK and a Cancel button. Script execution does not continue until the confirm method returns (the user presses the OK or Cancel button or closes the confirmation dialog).

To display a notification dialog, use the alert method.
To display a prompt dialog, use the prompt method.

Syntax:

object.confirm ([message]);

You can find the related objects in the Supported by objects section below.

Parameters:

message

Optional. String that specifies the text for the message in the dialog box. Default is an empty string. This parameter is required in Firefox.

Return value:

Boolean. One of the following values:

false	The confirmation dialog was closed by the Cancel button or by the system Close button.
true	The confirmation dialog was closed by the OK button.

Example HTML code 1:

This example illustrates the use of the confirm method:

<head>
    <script type="text/javascript">
        function CanContinue () {
            var confRet = window.confirm ("Do you want to continue the operation?");
            if (confRet) {
                alert ("The operation is continued.");
            }
            else {
                alert ("The operation is stopped.");
            }
        }
   </script>
</head>
<body>
    <button onclick="CanContinue ()">Create a confirmation dialog</button>
</body>