<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> <script src="./base/jquery.js"></script> <style> ul, li { padding: 0px; margin: 0px; list-style: none; } ul { width: 1000000px; } li { height: 100px; float: left; border: 1px solid red; } li.selected { background-color: yellow;; } </style> </head> <body> <div class="container" id="J_container" style=" 200px;height: 100px;border:1px solid gray; overflow-x: scroll; overflow-y: hidden;"> <ul> <li>测试1</li> <li>测试1</li> <li>测试1</li> <li>测试1</li> <li>测试1</li> <li>测试1</li> <li>测试1</li> <li class="selected">请将我居中</li> <li>测试1</li> <li>测试1</li> </ul> </div> <script> $(function () { var item = $(".selected"); var container = $("#J_container"); var itemOffset = item.offset(); var itemOffsetLeft = itemOffset.left + container.scrollLeft(); var centerLeft = ( container.width() - item.width()) / 2; container.scrollLeft(itemOffsetLeft - centerLeft); }) </script> </body> </html>
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