JavaScript Window method: confirm()
[this page | pdf | back links]
The confirm() method (when applied to Window
objects in the JavaScript
BOM) displays text in
a dialog box (with an OK and Cancel button).
It
has the following syntax with the following parameters. It returns true if
the user clicks the OK button, otherwise false.
window.confirm(message)
|
Parameter
|
Required / Optional
|
Description
|
|
message
|
Optional
|
String specifying text
to display in dialog box
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
<button onclick="myOnclick()">Open a confirm box</button><br>
<span id="x1"></span>
<script>
function myOnclick() {
var x = confirm("Press OK or Cancel");
var y;
if (x == true) { y = "OK"; } else { y = "Cancel"; }
document.getElementById("x1").innerHTML = "You pressed: " + y
}
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodWindowConfirm() {
return !!window.confirm;
} |
NAVIGATION LINKS
Contents | Prev | Next | JavaScript DOM (and BOM)