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Thread: undefined is read-only

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  1. #1
    Sencha User
    Join Date
    Jan 2013

    Default undefined is read-only

    I am developing an application that uses the library ext-base.js. When I try to load the application in firefox 27.0.1 gives error:

    undefined is read-only
    In the firedebug I can see the in the line: window.undefined=window.undefined

    * Ext JS Library 3.4.0
    * Copyright(c) 2006-2011 Sencha Inc.
    * [email protected]
    But works well in the google Chrome Versin 33.0.1750.117
    I am using:
    ExtJS 3.4
    Firefox 27.0.1
    Linux Ubuntu 12.04 LTS
    Attached one picture of the error.

    Attached Images Attached Images

  2. #2
    Sencha Premium User mitchellsimoens's Avatar
    Join Date
    Mar 2007
    Gainesville, FL


    Steps & code to reproduce?
    Mitchell Simoens @LikelyMitch
    Modus Create, Senior Fullstack Engineer
    Modus Create is based on the model of an open source team. We’re a remote, global team of experts in our field. To find out more about the work we do, head over to our website.

    Check out my GitHub:

  3. #3
    Sencha User
    Join Date
    Jan 2013

    Default steps & code

    1 - open my firefox and load my application by file composer.html (attached in this mail)
    2 - firedebug stops my application and get the error that I showed before: undefined is read-only in teh file ext-base.js (attached in this mail) of Extjs 3.4

    I have no way to reproduce the problem.

    Attached Files Attached Files

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