Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
    <input type="checkbox" ng-model="todo.done" value="{{todo.task_name}}">
    <span class="done-{{todo.done}}"> {{todo.task_name}}</span>         
    <a id="done-modal-button" ng-click='onCompleteTask(todo)' ng-show="todo.done" class="btn btn-xs btn-success">Done</a>
</div>

JavaScript

var myApp = angular.module('myApp',[]);

function MyCtrl($scope) {    
    
}