SOURCE

new Yox({
  el: '#app',
  template: '#template',
  data: {
    firstName: 'Michael',
    lastName: 'Jordon'
  },
  computed: {
    fullName: function () {
      return this.get('firstName') + ' ' + this.get('lastName')
    }
  }
})

<div id="app"></div>
<script id="template" type="text/plain">
	<div>
  	first name: <input type="text" model="firstName">
    <br>
    last name: <input type="text" model="lastName">
    <br>
  	full name: {{fullName}}
  </div>
</script>