[ 
https://issues.apache.org/jira/browse/CB-13201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jan Piotrowski (Sujan) updated CB-13201:
----------------------------------------
    Description: 
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:

{code}
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);
    }
};
{code}

The exception text is as follows:
{code}
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
{code}

Any idea what could be the issue here??

  was:
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??


> 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:
> {code}
> 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);
>     }
> };
> {code}
> The exception text is as follows:
> {code}
> 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
> {code}
> Any idea what could be the issue here??



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