In the Controller:

// Instead of doing this:
app.controller('TodoCtrl', function ($scope) {
  $scope.input = 'ex. buy milk';
});

// Do this:
app.controller('TodoCtrl', function () {
  this.input = 'ex. buy milk';
});

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

Read more Show archive.org snapshot

In the HTML:

<!-- Instead of this: -->
<div ng-controller="TodoCtrl">
  <input type="text" ng-model="input" />
</div>

<!-- Do this: --> 
<div ng-controller="TodoCtrl as todo">
  <input type="text" ng-model="todo.input" />
</div>