vue click事件 v-on:click

v-on:click
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Vue实例中的数据,事件和方法</title>
</head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<body>
    
    <div id="root">
        <h1 v-on:click="handleClick">{{content}}</h1>
    </div>

    <script type="text/javascript">
        new Vue({ 
            el:"#root",
            data:{
                content: "hello world",
            
            },
            methods:{
                handleClick:function(){
                   this.content = "world"
                }
            }
        })
    </script>
    
</body>
</html>
点击 world