Github user daserge commented on a diff in the pull request:
https://github.com/apache/cordova-docs/pull/580#discussion_r60264056
--- Diff: www/docs/en/dev/cordova/events/events.md ---
@@ -323,6 +323,16 @@ function onBackKeyDown() {
}
```
+### Windows Quirks
+
+Throw an error in a `backbutton` callback to force the default behavior:
+
+```javascript
+document.addEventListener('backbutton', function (evt) {
+ throw "Exit"; // This will suspend the app
--- End diff --
The throw value is not used anywhere, it's just being caught in cordova-js
and causes the event handler to indicate that the event has not been handled:
https://github.com/apache/cordova-windows/blob/master/template/www/cordova.js#L1489
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