HTML
CSS
JavaScript
HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 测试实例 - IT书包(www.itshubao.com)</title>
<script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
</head>
<body>
  <div id="app"  v-runoob:hello.a.b="message">
</div>
</body>
</html>
CSS

  

  

    
JavaScript

    
Vue.directive('itshubao', {
  bind: function (el, binding, vnode) {
    var s = JSON.stringify
    el.innerHTML =
      'name: '       + s(binding.name) + '<br>' +
      'value: '      + s(binding.value) + '<br>' +
      'expression: ' + s(binding.expression) + '<br>' +
      'argument: '   + s(binding.arg) + '<br>' +
      'modifiers: '  + s(binding.modifiers) + '<br>' +
      'vnode keys: ' + Object.keys(vnode).join(', ')
  }
})
new Vue({
  el: '#app',
  data: {
    message: 'IT书包!'
  }
})