Vue self-adding error?

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Page Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <style>
    </style>
</head>
<body>
    <div id="app">
        <counter></counter>
    </div>
    <script>
        Vue.component("counter",{
            template:"<div @click="handleCount">{{number}}</div>",
            data:function(){
                return{
                    number:0
                }
            },
            medthods:{
                handleCount:function(){
                    this.numberPP
                }
            }
        })
        var app=new Vue({
            el:"-sharpapp"
            
        })
    </script>
</body>

clipboard.png

Vue.js
Jun.25,2021

are you sure your methods is correct. Huh?!

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