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v-on指令：为元素绑定事件

2022-08-03 03:43:00 【爱雨天】 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
       <input type="button" value="v-on指令" v-on:click="doIt" >
       <input type="button" value="v-on简写" @click="doIt">
       <input type="button" value="双击事件" @dblclick="doIt">
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        var app=new Vue({
            el:"#app",
             methods:{
                doIt:function(){
                    alert("做It");
                }
             },
            }
        
        )
    </script>
</body>
</html>

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
       <input type="button" value="v-on指令" v-on:click="doIt" >
       <input type="button" value="v-on简写" @click="doIt">
       <input type="button" value="双击事件" @dblclick="doIt">
       <h2 @click="changeFood">{
   {food}}</h2>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        var app=new Vue({
            el:"#app",
            data:{
                food:"许嘉茵的奶"

            },
             methods:{
                doIt:function(){
                    alert("做It");
                },
                changeFood:function(){
                  // console.log(this.food) ;
                  this.food+="好好吃！"
                }

             },
            }
        
        )
    </script>
</body>
</html>

 

 

 

 

 

 

 

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版权声明
本文为[爱雨天]所创，转载请带上原文链接，感谢
https://blog.csdn.net/weixin_52634719/article/details/126127381

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