JavaScript伸缩的菜单简单示例_javascript技巧

复制代码 代码如下: 伸缩的菜单 body{ background-color:#ffdee0; } #navigation { width:200px; font-family:Arial; } #navigation > ul { list-style-type:none;/* 不显示项目符号 */ margin:0px; padding:0px; } #navigation > ul > li { border-bottom:1px solid #ED9F9F;/* 添加下划线 */ } #navigation > ul > li > a{ display:block;/* 区块显示 */ padding:5px 5px 5px 0.5em; text-decoration:none; border-left:12px solid #711515;/* 左边的粗红边 */ border-right:1px solid #711515;/* 右侧阴影 */ } #navigation > ul > li > a:link, #navigation > ul > li > a:visited{ background-color:#c11136; color:#FFFFFF; } #navigation > ul > li > a:hover{ /* 鼠标经过时 */ background-color:#990020;/* 改变背景色 */ color:#ffff00;/* 改变文字颜色 */ } /* 子菜单的CSS样式 */ #navigation ul li ul{ list-style-type:none; margin:0px; padding:0px 0px 0px 0px; } #navigation ul li ul li{ border-top:1px solid #ED9F9F; } #navigation ul li ul li a{ display:block; padding:3px 3px 3px 0.5em; text-decoration:none; border-left:28px solid #a71f1f; border-right:1px solid #711515; } #navigation ul li ul li a:link, #navigation ul li ul li a:visited{ background-color:#e85070; color:#FFFFFF; } #navigation ul li ul li a:hover{ background-color:#c2425d; color:#ffff00; } #navigation ul li ul.myHide{ /* 隐藏子菜单 */ display:none; } #navigation ul li ul.myShow{ /* 显示子菜单 */ display:block; } --> function change(){ //通过父元素li，找到兄弟元素ul var oSecondDiv = this.parentNode.getElementsByTagName("ul")[0]; //CSS交替更换来实现显、隐 if(oSecondDiv.className == "myHide") oSecondDiv.className = "myShow"; else oSecondDiv.className = "myHide"; } window.onload = function(){ var oUl = document.getElementById("listUL"); var aLi = oUl.childNodes;//子元素 var oA; for(var i=0;i //如果子元素为li，且这个li有子菜单ul if(aLi[i].tagName == "LI" && aLi[i].getElementsByTagName("ul").length){ oA = aLi[i].firstChild;//找到超链接 oA.onclick = change;//动态添加点击函数 } } } Home News Lastest News All News Sports Basketball Football Volleyball Weather Today's Weather Forecast Contact Me

JavaScript伸缩的菜单简单示例_javascript技巧

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