Ext.loader not enabled Missing required?

Question

I have some problems with Extjs4 librairie. I want to use treeEditor component.

Firebug error :

Error : uncaught exception: Ext.Loader is

Answer 1

The real problem is that you are using ext-debug.js, ext.js

instead use: ext-all.js or ext-dev.js

An read about Dynamic Loading

index.html example:

In the example you dont need to enable Dynamic Loading, because dynamic loading its for development environments. ext-all.js, ext.js is for deploy. ext-all-debug.js and ext-debug.js are for debugging after deploy.

MVC and Dynamic Loading are useless in deploy, because you must have 1 file generated by sencha cmd (aka Sencha Tools).