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From "Jan Piotrowski (Sujan) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-13201) Javasript runtime error from removeEventListener() in cordova.js
Date Sun, 21 Jan 2018 20:42:00 GMT

    [ https://issues.apache.org/jira/browse/CB-13201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333661#comment-16333661
] 

Jan Piotrowski (Sujan) commented on CB-13201:
---------------------------------------------

`handleEvent` is not really part of that function you posted. Are you sure you are pasting
the correct functtion? It might be easier to follow if you link to the actual code on Github.

> Javasript runtime error from removeEventListener() in cordova.js
> ----------------------------------------------------------------
>
>                 Key: CB-13201
>                 URL: https://issues.apache.org/jira/browse/CB-13201
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: cordova-windows
>         Environment: Windows 10 UWP
>            Reporter: Mazen Debe
>            Assignee: Jesse MacFadyen
>            Priority: Major
>              Labels: cordova-windows, javascript, uwp, windows
>
> I am developing a Cordova-based app for a Windows 10 platform. There is a button that
whenever I press, cordova.js throws the following exception at this function:
> document.removeEventListener = function(evt, handler, capture) {
>     var e = evt.toLowerCase();
>     // If unsubscribing from an event that is handled by a plugin
>     if (typeof documentEventHandlers[e] != "undefined") {
>         documentEventHandlers[e].unsubscribe(handler);
>     } else {
>         m_document_removeEventListener.call(document, evt, handler, capture);
>     }
> };
> The exception text is as follows:
> Unhandled exception at line 154, column 9 in ms-appx-web://com.something/www/cordova.js
> 0x800a138f - JavaScript runtime error: Unable to get property 'handleEvent' of undefined
or null reference occurred
> Any idea what could be the issue here??



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