方式二：使用jQuery 代碼實現
代碼如下：
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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<html> |
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<head> |
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<title>伸縮的菜單，用toggle()重寫</title> |
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<style> |
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<!-- |
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body{ |
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background-color:#ffdee0; |
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} |
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#navigation { |
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width:200px; |
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font-family:Arial; |
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} |
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#navigation > ul { |
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list-style-type:none; /* 不顯示項目符號 */ |
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margin:0px; |
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padding:0px; |
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} |
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#navigation > ul > li { |
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border-bottom:1px solid #ED9F9F; /* 添加下劃線 */ |
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} |
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#navigation > ul > li > a{ |
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display:block; /* 區塊顯示 */ |
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padding:5px 5px 5px 0.5em; |
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text-decoration:none; |
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border-left:12px solid #711515; /* 左邊的粗紅邊 */ |
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border-right:1px solid #711515; /* 右側陰影 */ |
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} |
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#navigation > ul > li > a:link, #navigation > ul > li > a:visited{ |
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background-color:#c11136; |
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color:#FFFFFF; |
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} |
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#navigation > ul > li > a:hover{ /* 鼠標經過時 */ |
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background-color:#990020; /* 改變背景色 */ |
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color:#ffff00; /* 改變文字顏色 */ |
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} |
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/* 子菜單的CSS樣式 */ |
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#navigation ul li ul{ |
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list-style-type:none; |
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margin:0px; |
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padding:0px 0px 0px 0px; |
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} |
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#navigation ul li ul li{ |
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border-top:1px solid #ED9F9F; |
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} |
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#navigation ul li ul li a{ |
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display:block; |
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padding:3px 3px 3px 0.5em; |
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text-decoration:none; |
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border-left:28px solid #a71f1f; |
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border-right:1px solid #711515; |
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} |
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#navigation ul li ul li a:link, #navigation ul li ul li a:visited{ |
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background-color:#e85070; |
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color:#FFFFFF; |
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} |
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#navigation ul li ul li a:hover{ |
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background-color:#c2425d; |
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color:#ffff00; |
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} |
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--> |
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</style> |
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<script language="javascript" src="jquery.min.js"></script> |
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<script language="javascript"> |
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$(function(){ |
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$("li").find("ul").prev().click(function(){ |
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$(this).next().toggle(); |
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}); |
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$("li:has(ul)").find("ul").hide(); |
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}); |
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</script> |
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</head> |
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<body> |
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<div id="navigation"> |
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<ul id="listUL"> |
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<li><a href="#">Home</a></li> |
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<li><a href="#">News</a> |
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<ul> |
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<li><a href="#">Lastest News</a></li> |
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<li><a href="#">All News</a></li> |
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</ul> |
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</li> |
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<li><a href="#">Sports</a> |
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<ul> |
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<li><a href="#">Basketball</a></li> |
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<li><a href="#">Football</a></li> |
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<li><a href="#">Volleyball</a></li> |
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</ul> |
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</li> |
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<li><a href="#">Weather</a> |
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<ul> |
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<li><a href="#">Today's Weather</a></li> |
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<li><a href="#">Forecast</a></li> |
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</ul> |
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</li> |
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<li><a href="#">Contact Me</a></li> |
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</ul> |
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</div> |
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</body> |
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</html> |