1. 18 Feb 2011 7:42 AM #1
    opdecinc
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    Exclamation Checking out ExtJS 4

    Checking out ExtJS 4


    Our existing application is ExtJS 3.x. I want to download ExtJS 4 and see how our current application will behave. Is this possible yet? Is there a document that outlines yet how to upgrade? This is for testing purposes only, not production. I have tried doing this and am getting an

    Code:
    Uncaught ReferenceError: Ext is not defined
    error.

    Thanks..
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  2. 18 Feb 2011 8:47 AM #2
    NoahK17
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    From: http://dev.sencha.com/deploy/ext-4.0...iew/index.html

    "This is an optional JavaScript file that can be referenced after Ext 4 is loaded that will provide the aliases and overrides necessary to make the vast majority of Ext 3 code run correctly under Ext 4 as-is.

    NOTE: At the moment this compatibility layer is not yet available, but it will be prior to the final 4.0 release."
    Noah
    Senior Web Developer
    NBA.com
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  3. 18 Feb 2011 9:46 AM #3
    steffenk
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    but Ext should be defined.

    Do you use bootstrap from preview package?
    vg Steffen
    --------------------------------------
    Release Manager of TYPO3 4.5
    energlobe.de - german online magazine
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