局部指令用法

2023/07/29 Vue2 1344 
<body>
  <div id="app">
    <input type="text" v-color='msg'>
    <input type="text" v-focus>
  </div>
  <script type="text/javascript" src="js/vue.js"></script>
  <script type="text/javascript">
    /*
      自定义指令-局部指令
    */
    var vm = new Vue({
      el: '#app',
      data: {
        msg: {
          color: 'red'
        }
      },
      methods: {
        handle: function(){
          
        }
      },
      directives: {
        color: {
          bind: function(el, binding){
            el.style.backgroundColor = binding.value.color;
          }
        },
        focus: {
          inserted: function(el) {
            el.focus();
          }
        }
      }
    });
  </script>
</body>