handlebars

{{#each Editor.elements}}
        {{#view Editor.CanvasView elementBinding="this" tagName="div"  }}
          {{element.content}}
        {{/view}}
      {{/each}}

js

Editor.CanvasView = Em.View.extend({
  classNames: ['element'],

  // Need to link to the current element in the handlebars loop and observe their parameters
  abc: function(){
    console.log('a');
  }.observes('position')

});