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Explanation of vue Event Object Bubble Prevent Default Behavior

  • 2021-08-05 08:29:41
  • OfStack

Organize the document, search out an vue event object, bubble, prevent the code of default behavior, and slightly organize and streamline 1 to share it.

Event object 


<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title></title>
  <script src="../js/Vue.js" charset="utf-8"></script>
  <script type="text/javascript">
   window.onload = function(){
    var vm = new Vue({
     el:'#box',
     data:{},
     methods:{
      show:function(ev){
       alert(ev.clientX);
       alert(ev.clientY);
      }
     }
    });
   }
  </script>
 </head>
 <body>
  <div id="box">
   <input type="button" name="" value=" Button " @click="show($event)">
  </div>
 </body>
</html>

Event bubbling 


<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title></title>
  <script src="../js/Vue.js" charset="utf-8"></script>
  <script type="text/javascript">
   window.onload = function(){
    var vm = new Vue({
     el:'#box',
     data:{},
     methods:{
      show:function(){
       alert(111);
      // Native writing 
      //ev.cancelBubble = true;
      },
      show2:function(){
       alert(222);
      }
     }
    });
   }
  </script>
 </head>
 <body>
  <div id="box">
   <div @click="show2()">
    <input type="button" name="" value=" Button " @click.stop="show()">
   </div>
  </div>
 </body>
</html>

Block event default behavior 


<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title></title>
  <style>
    .show2{
      padding:15px;;
    }
  </style>
  <script src="../js/Vue.js" charset="utf-8"></script>
  <script type="text/javascript">
    window.onload = function () {
      var vm = new Vue({
        el: '#box',
        data: {},
        methods: {
          show: function () {
            alert(111)
          },
          show2: function () {
            alert(222)
          }
        }
      });
    }
  </script>
</head>
<body>
<div id="box">
  <div class="show2">
    <input type="button" name="" value=" Button " @contextmenu.prevent="show()">
  </div>
</div>
</body>
</html>

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