Ext.onReady(function (){
    Ext.QuickTips.init(); 
    var proxy = new Ext.data.HttpProxy({
        url: 'Status.do?action=load',
        listeners : {      
            exception : function(proxy, type, action, options,
                    response, arg) {
                var data = Ext.decode(response.responseText);
                msg('Warning', data.msg, Ext.Msg.WARNING);
            }
        }
    });

my struts Application using Ext JS Library 3.2.1 as requirement am adding CSP Header to application
facing above errors in console
This is my CSP Header

String cspHeader = "Content-Security-Policy: frame-ancestors 'self' ;default-src 'self'; script-src 'self' 'nonce-" + nonce + "';";

I am facing this error Uncaught TypeError: Ext.onReady is not a function