[Vue基础实战]自定义指令练习

参考代码:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>自定义指令</title>
  </head>
  <body>
    <div id="app">
      <div v-dirzdy="'red'">{{csmsg}}</div>     
    <input v-dirzdy="'red'" type="text">
    <input @keyup.delete="cs" type="text">
    </div>
    <script src="../js/vue.js"></script>
    <script>
      Vue.directive('dirzdy', {
        bind(el,binding) {
          el.style.color=binding.value;
        },        
        inserted(el) {
         el.focus();
        }        
      });
      const app = new Vue({
          el: '#app',
          data:{
              csmsg:"htzd1234"
          },
          methods:{
            cs(){
              this.csmsg="htzdhhhh";
            }
          }
      })
    </script>
  </body>
</html>

 

posted @ 2021-01-15 09:27  dshow  阅读(27)  评论(0编辑  收藏  举报