JS分类侧边栏 JS实现京东商品分类侧边栏
Web_chicken 人气:0HTML代码部分
<div> <img src="/1.png" alt=""> </div> <ul> <li><a href="">京东秒杀</a></li> <li class="two"><a href="">欢迎</a></li> <li><a href="">特色优选</a></li> <li><a href="">频道广场</a></li> <li><a href="">为你推荐</a></li> <li class="two"><a href="">客服</a></li> <li style="border-bottom: none;" class="two"><a href="">反馈</a></li> </ul>
CSS部分
<style> * { margin: 0; padding: 0; } a { text-decoration: none; color: #000; } div { width: 100%; } img { margin-left: 300px; display: block; margin: 0 auto; } ul { position: absolute; display: none; top: 350px; left: 1700px; width: 60px; height: 400px; border: 1px solid red; box-sizing: border-box; } ul li { width: 100%; height: 57px; list-style: none; text-align: center; float: right; padding: 5px 10px; line-height: 26px; text-align: center; float: left; box-sizing: border-box; border-bottom: 1px solid #eee; } li:hover { background-color: red; } li:hover a { color: white; } .two { line-height: 52px; }
JS部分
<script> document.addEventListener('scroll', function () { var ul = document.querySelector('ul') console.log(window.pageYOffset) if (window.pageYOffset > 700) { ul.style.display = 'block' ul.style.position = 'fixed'; } else { ul.style.display = 'none' } }) </script>
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