JavaScript Window method: confirm()
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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;
} |
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