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Asked: 2026-06-02T05:56:51+00:00

I’m new to the javascript world, so don’t hesitate to point out the obvious.

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I’m new to the javascript world, so don’t hesitate to point out the obvious.
I was trying to create a jsfiddle to ask a question on how to insert some content in the div element created by the App.Column view.

However I failed to get the fiddle to work, anyone who can point out why my errors?

The console logs this: Uncaught TypeError: Cannot call method ‘extend’ of undefined

Here is the fiddle: http://jsfiddle.net/Aqrrj/2/

The JQueryUI-widget is taken from https://github.com/lukemelia/jquery-ui-ember and there is also a working example which I started from.

cheers

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1 Answer

  1. Editorial Team

    There are 2 problems:

    By creating an application and assigning it to var App = Ember.Application.create() your are not making it available on the global object. Removing the var makes App global and therefore usable in your Handlebars template.

    Second you are referring to a view class App.Column but it is never declared in your JavaScript code.

    So your example can be fixed by the following lines, see http://jsfiddle.net/pangratz666/pSKgV/:

    App = Ember.Application.create();
...
App.Column = Ember.View.extend();
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