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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JavaScript下拉菜单</title> <style type="text/css"> * { padding:0; margin:0; } body { font-family:verdana, sans-serif; font-size:small; } #navigation, #navigation li ul { list-style-type:none; } #navigation { margin:20px; } #navigation li { float:left; text-align:center; position:relative; } #navigation li a:link, #navigation li a:visited { display:block; text-decoration:none; color:#000; width:120px; height:40px; line-height:40px; border:1px solid #fff; border-width:1px 1px 0 0; background:#c5dbf2; padding-left:10px; } #navigation li a:hover { color:#fff; background:#2687eb; } #navigation li ul li a:hover { color:#fff; background:#6b839c; } #navigation li ul { display:none; position:absolute; top:40px; left:0; margin-top:1px; width:120px; } #navigation li ul li ul { display:none; position:absolute; top:0px; left:130px; margin-top:0; margin-left:1px; width:120px; } </style> <script type="text/javascript"> function displaySubMenu(li) { var subMenu = li.getElementsByTagName("ul")[0]; subMenu.style.display = "block"; } function hideSubMenu(li) { var subMenu = li.getElementsByTagName("ul")[0]; subMenu.style.display = "none"; } </script></head><body> <ul id="navigation"> <tr><td> <li onmouseout="hideSubMenu(this)"><a href="#">1</a> <ul><li><a href="#">1->1</a></li><li><a href="#">1->2</a></li><li><a href="#">1->3</a></li><li><a href="#">1->4</a></li><li><a href="#">1->5</a></li></ul></li></td> </tr> <tr><td><li onmouseout="hideSubMenu(this)"><a href="#">2</a> <ul><li><a href="#">2->1</a></li><li><a href="#">2->2</a></li><li><a href="#">2->3</a></li><li><a href="#">2->4</a></li><li><a href="#">2->5</a></li></ul></li></td> </tr> <tr><td> <li onmouseout="hideSubMenu(this)"><a href="#">3</a> <ul><li onmouseout="hideSubMenu(this)"><a href="#">3->1</a><ul><li><a href="#">1->1</a></li><li><a href="#">1->2</a></li><li><a href="#">1->3</a></li><li><a href="#">1->4</a></li></ul></li><li><a href="#">3->2</a></li><li onmouseout="hideSubMenu(this)"><a href="#">3->3</a><ul><li><a href="#">3->1</a></li><li><a href="#">3->2</a></li><li><a href="#">3->3</a></li></ul></li></ul></li></td></tr> </ul></body></html> |
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