<body> <div class="app"> {{message}}--{{message+‘,‘+message}} <div :id=‘message‘ v-if="showMessage">{{title}}</div> <div v-else style="text-decoration: line-through;">{{title}}--{{title}}</div> <div :id=‘message‘ v-show="showMessage">{{title}}</div> </div> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> <script> var vm = new Vue({ el:‘.app‘, data:{ message:‘hello world‘, showMessage:false, title:"是否删除" } }) </script> </body>
原文：https://www.cnblogs.com/RoronoaZoro/p/11965113.html