``` <template> <div class="accept-container"> <div class="go-back" v-show="goBackState" @click="goBack">GoBack</div> <ul> <li v-for="item in webAddress"> <a :href="item.link" target="showHere" @click="showIframe">{{item.name}}</a> </li> </ul> <iframe v-show="iframeState" id="show-iframe" frameborder=0 name="showHere" scrolling=auto src=""></iframe> </div> </template> <script> export default { name: 'hello', data () { return { iframeState:false, goBackState:false, webAddress: [ { name:'segmentFault', link:'https://segmentfault.com/a/1190000004502619' }, { name:'博客', link:'http://vuex.vuejs.org/' }, { name:'特效', link:'http://www.yyyweb.com/377.html' } ] } }, mounted(){ const oIframe = document.getElementById('show-iframe'); const deviceWidth = document.documentElement.clientWidth; const deviceHeight = document.documentElement.clientHeight; oIframe.style.width = deviceWidth + 'px'; oIframe.style.height = deviceHeight + 'px'; }, methods:{ goBack(){ this.goBackState = false; this.iframeState = false; }, showIframe(){ this.goBackState = true; this.iframeState = true; } } } </script> <style scoped> </style> ```