<html>
head>
script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</bodydiv id="app">
input type="button" value="显示与否" @click="changisshow"h2 v-if="isshow">这是v-if内容h2v-show>这是v-show内容div>
var app = new Vue({
el: '#app',data: {
isshow: false,},methods: {
changisshow: function () {
this.isshow = !this.isshow;
},})
>
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