Success! Looks like we've fixed this one. According to our records the fix was applied for EXTJS-6662 in a recent build.
  1. #1
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    Default [4.1] Ext.app.Controller.hasRef - use Ext.Array.indexOf to find reference

    The [].indexOf method below is not supported in some JS implementations. It should be replaced by Ext.Array.indexOf to make the hasRef method more robust.

    Code:
    Ext.define('Ext.app.Controller', {
        ...
        hasRef: function(ref) {
            return this.references && this.references.indexOf(ref.toLowerCase()) !== -1;
        },
        ...
    EDIT: 6/28/12
    ... or better yet use Ext.Array.contains
    Last edited by LesJ; 28 Jun 2012 at 10:52 AM. Reason: Add Ext.Array.contains comment

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    Default

    Thanks for the report.
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Software Engineer
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