JS Bin // source http://localhost:3000/neyuvuhovo

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.3.0/knockout-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockback/1.2.2/knockback.min.js"></script>

Name: <input data-bind="value: name" type="text"/><br>
Age: <input data-bind="value: age" type="text"/><br>
Evil: <input type="checkbox" data-bind="checked: evil" /><br>
<script id="jsbin-javascript">
// create backbone model
var backboneModel = new Backbone.Model({
    name: "Montgomery Burns",
    age: 102,
    evil: true
});

// set up knockback (kb) bridge
var viewModel = kb.viewModel(backboneModel, {
    read_only: false
});

// engage knockout (ko) data bindings
ko.applyBindings(viewModel);
</script>

// set up knockback (kb) bridge
var viewModel = kb.viewModel(backboneModel, {
    read_only: false
});

// engage knockout (ko) data bindings
ko.applyBindings(viewModel);</script></body>
</html>

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js

https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js

https://cdnjs.cloudflare.com/ajax/libs/knockout/3.3.0/knockout-min.js

https://cdnjs.cloudflare.com/ajax/libs/knockback/1.2.2/knockback.min.js