home heroText tagline bgImageStyle heroImageStyle bgImage true Younglo的进阶之路 生有涯而知无涯，进一寸有一寸的欢喜 height 1000px maxWidth width display margin background borderRadius 600px 100% block 9rem auto 2rem #fff 1rem /th.jpeg <style> body { background-image: url(/back.jpg); background-size: cover; background-position: center; background-repeat: no-repeat; background-attachment: fixed; } .anchor-down { display: block; margin: 12rem auto 0; bottom: 45px; width: 20px; height: 20px; font-size: 34px; text-align: center; animation: bounce-in 5s 3s infinite; position: absolute; left: 50%; bottom: 30%; margin-left: -10px; cursor: pointer; } @-webkit-keyframes bounce-in{ 0%{transform:translateY(0)} 20%{transform:translateY(0)} 50%{transform:translateY(-20px)} 80%{transform:translateY(0)} to{transform:translateY(0)} } .anchor-down::before { content: ""; width: 20px; height: 20px; display: block; border-right: 3px solid #fff; border-top: 3px solid #fff; transform: rotate(135deg); position: absolute; bottom: 10px; } .anchor-down::after { content: ""; width: 20px; height: 20px; display: block; border-right: 3px solid #fff; border-top: 3px solid #fff; transform: rotate(135deg); } </style> <script> export default { mounted () { const ifJanchor = document.getElementById("JanchorDown"); ifJanchor && ifJanchor.parentNode.removeChild(ifJanchor); let a = document.createElement('a'); a.id = 'JanchorDown'; a.className = 'anchor-down'; document.getElementsByClassName('hero')[0].append(a); let targetA = document.getElementById("JanchorDown"); targetA.addEventListener('click', e => { // 添加点击事件 this.scrollFn(); }) }, methods: { scrollFn() { const windowH = document.getElementsByClassName('hero')[0].clientHeight; // 获取窗口高度 document.documentElement.scrollTop = windowH; // 滚动条滚动到指定位置 } } } </script>