SOURCE

new Yox({
  el: '#app',
  template: '#template',
  data: {
    users: [
      {
        name: 'name1',
        age: 1
      },
      {
        name: 'name2',
        age: 2
      },
      {
        name: 'name3',
        age: 3
      }
    ]
  }
})

<div id="app"></div>
<script id="template" type="text/plain">
	<div>
    {{#each users:index}}
    	<p>
      	index: {{index}}<br>
      	name: {{name}}<br>
        
        <!-- find "age" in the current context -->
      	age: {{this.age}}<br>
        
        isFirst: {{index === 0}}<br>
        
        <!-- $length is recommended. -->
        isLast: {{index === $length - 1}}<br>
        isLast: {{index === users.length - 1}}
      </p>
    {{/each}}
  </div>
</script>