You found a bug! We've classified it as
EXTJS-27672
.
We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
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Sencha User
Application with Extjs 6.6.0 not loading on IE 10
I have my application developed in extjs 6.6.0. The application is working fine in most of the browsers.
The application is not loading in IE 10 and there is no console error/warning. This is working fine with IE 11/9.
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Ext Support Team
Hello Chandra,
I request you to please share your code/fiddle so that we can test it.
Regards,
Kumar
Sencha Support.
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Sencha Premium User

Originally Posted by
chandra1512
I have my application developed in extjs 6.6.0. The application is working fine in most of the browsers.
The application is not loading in IE 10 and there is no console error/warning. This is working fine with IE 11/9.
Hi, we are facing the exact same issue.
We prepared a minimal sample reproducing the issue.
Here the html:
HTML Code:
<!DOCTYPE html>
<html>
<head >
<link rel="stylesheet" type="text/css" href="./scripts/extjs/build/classic/theme-gray/resources/theme-gray-all.css">
<script type="text/javascript" src="/scripts/extjs/build/ext-all-debug.js"></script>
<script type="text/javascript" src="/scripts/app.js"></script>
<title>Test</title>
</head>
<body>
<div id="app">
this page should have a panel and show an Ext.Message
</div>
</body>
</html>
Here /scripts/app.js
Code:
Ext.application({
name : 'Ors.test',
appFolder: '/scripts/app',
autoCreateViewport:true,
launch : function() {
Ext.Msg.alert('Say Hello', 'Hello World!');
}
});
Here /scripts/app/view/Viewport.js
Code:
Ext.define('Ors.test.view.Viewport', {
extend: 'Ext.container.Viewport',
layout: 'border',
items: [
{
title: 'Ricerca',
region: 'west'
}, {
title:'prova',
region: 'center'
}]
});
Such sample works fine on all major browsers, including Edge, IE9 and IE11.
Still on IE10 and on IE11 emulating IE10 it doesn't call the launch function.
We don't have any JavaScript error to debug, nor any warning.
We noticed that, removing autoCreateViewport in app.js we can see the alert, but with a broken layout.
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Ext Support Team
Thanks for the report! I have opened a bug in our bug tracker.
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Sencha Premium User
Hi,
may you tell us a prevision for the bug resolution?
This is a huge problem for us because we must support IE10, we saw on the site that ExtJS 6.6 supports IE8+ and we made the porting from 4.2 to 6.6, but we can't release our software until the bug will be solved.
Thanks a lot
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Sencha Premium User
Hi!
we would like to specify that we noticed the problem using "IE11 emulating IE10".
With IE10 it works.