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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title><a href=/itjie/Javajishu/ target=_blank class=infotextkey>Java</a>Script下拉菜單</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>  </head> <body> <ul id="navigation"> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 欄目1 <ul> <li>欄目1->菜單1</li> <li>欄目1->菜單2</li> <li>欄目1->菜單3</li> <li>欄目1->菜單4</li> </ul> </li> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 欄目2 <ul> <li>欄目2->菜單1</li> <li>欄目2->菜單2</li> <li>欄目2->菜單3</li> <li>欄目2->菜單4</li> <li>欄目2->菜單5</li> </ul> </li> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 欄目3 <ul> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 欄目3->菜單1 <ul> <li>菜單1->子菜單1</li> <li>菜單1->子菜單2</li> <li>菜單1->子菜單3</li> <li>菜單1->子菜單4</li> </ul> </li> <li>欄目3->菜單2</li> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 欄目3->菜單3 <ul> <li>菜單3->子菜單1</li> <li>菜單3->子菜單2</li> <li>菜單3->子菜單3</li> </ul> </li> </ul> </li> </ul> </body> </html>

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JavaScript技術(shù)：JavaScript 下拉菜單實(shí)現(xiàn)代碼，轉(zhuǎn)載需保留來源！

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JavaScript 下拉菜單實(shí)現(xiàn)代碼

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