vue封装组件写toast弹出框

!DOCTYPE html
html lang="en"
head
    meta charset="UTF-8"
    meta name="viewport" content="width=device-width, initial-scale=1.0"
    meta http-equiv="X-UA-Compatible" content="ie=edge"
    titleDocument/title
    script src="lib/vue.js"/script
    style
        .toast{
            position: fixed;
            top: 45%;
            left: 45%;
            
            width: 200px;
            height: 100px;
            background: pink;
            text-align: center;
            line-height: 100px;
            font-size: 50px;
            opacity: 0.6;
        }

    /style
/head
body
    div id="out"
        button @click="btn()"toast弹出框/button
    /div
    script
        var Toast = Vue.component("v-toast",{
            template:`
                div class="toast" v-if="isshow"
                    {{text}}    
                /div
            `,
            data:function(){
                return{
                    isshow:true,
                    text:"登陆成功",
                    duration:2000
                }
            }
        })
        var toast = function () {
            let ToastVue = new Toast({
                el:document.createElement("div")
            })
            document.body.appendChild(ToastVue.$el)
            setTimeout(function () {
                ToastVue.isshow=false
            },ToastVue.duration)
        }
        var vm = new Vue({
            el:"#out",
            data:{

            },
            methods:{
                btn(){
                    toast()
                }
            }
        })
    /script

/body
/html
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