samyc1201 opened a new issue #1047:
URL: https://github.com/apache/cordova-ios/issues/1047
# Bug Report
app hang while showing alert when select dropdown box is actively showing
## Problem
cordova app went hang when calling javascript executing alert() when user
has clicked the select box and the select box dropdown box is showing on screen
### What is expected to happen?
alert box should show on top of the page, the app shouldn't hang
### What does actually happen?
## Information
Please refer to the code below, there are one select box and one button,
first, please click the button, the alert box will show after 2 seconds. After
the button is clicked, do click the "select" box immediately, after that, wait
for 2 seconds. Dismiss the dropdown box, the app will go hang and nothing is
responding anymore.
### Command or Code
Code snippet:
```
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="format-detection" content="telephone=no">
<meta name="msapplication-tap-highlight" content="no">
<meta name="viewport" content="initial-scale=1, width=device-width,
viewport-fit=cover">
<meta name="color-scheme" content="light dark">
<link rel="stylesheet" href="css/index.css">
<title>Hello World</title>
<script>
function test() {
setTimeout(function(){ alert("Hello"); }, 2000);
}
</script>
</head>
<body>
<div class="app">
<h1>Apache Cordova</h1>
<div id="deviceready" class="blink">
<p class="event listening">Connecting to Device</p>
<p class="event received">Device is Ready</p>
</div>
<select><option>sdfsdf</option>
<option>sdfsdf</option>
<option>sdfsdf</option>
</select>
<button type="button" onclick="test()">Click Me!</button>
</div>
<script src="cordova.js"></script>
<script src="js/index.js"></script>
</body>
</html>
```
### Environment, Platform, Device
iOS device (iphone or ipad), tested in iOS 13 and 14
### Version information
What are relevant versions you are using?
For example:
Cordova CLI 10.0.0
Cordova iOS: 6.1.0
## Checklist
- [x ] I searched for existing GitHub issues
- [ x] I updated all Cordova tooling to most recent version
- [x ] I included all the necessary information above
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