- 用JavaScript模拟实现Select下拉选框功能，在本效果的实现上，背景图片起到了非常重要的美化作用，然后用CSS和JS分别对LI进行控制，最终实现漂亮的Select效果。
<!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>石家庄渣浆泵配件</title> <style> html,body{height:100%;overflow:hidden;} body,div,form,h2,ul,li{margin:0;padding:0;} ul{list-style-type:none;} body{background:#23384e;font:12px/1.5 \5fae\8f6f\96c5\9ed1;} #search,#search form,#search .box,#search .select,#search a{background:url/jscss/demoimg/201211/search.jpg) no-repeat;} #search,#search .box,#search form{height:34px;} #search{position:relative;width:350px;margin:10px auto;} #search .box{background-position:right 0;} #search form{background-repeat:repeat-x;background-position:0 -34px;margin:0 20px 0 40px;} #search .select{float:left;color:#fff;width:190px;height:22px;cursor:pointer;margin-top:4px;line-height:22px;padding-left:10px;background-position:0 -68px;} #search a{float:left;width:80px;height:24px;color:#333;letter-spacing:4px;line-height:22px;text-align:center;text-decoration:none;background-position:0 -90px;margin:4px 0 0 10px;} #search a:hover{color:#f60;background-position:-80px -90px;} #search .sub{position:absolute;top:26px;left:40px;color:#fff;width:198px;background:#2b2b2b;border:1px solid #fff;display:none;} #search .sub li{height:25px;line-height:24px;cursor:pointer;padding-left:10px;margin-bottom:-1px;border-bottom:1px dotted #fff;} #search .sub li.hover{background:#8b8b8b;} </style> <script type="text/javascript"> window.onload = function () { var oSelect = document.getElementsByTagName("span")[0]; var oSub = document.getElementsByTagName("ul")[0]; var aLi = oSub.getElementsByTagName("li"); var i = 0; oSelect.onclick = function (event) { var style = oSub.style; style.display = style.display == "block" ? "none" : "block"; //阻止事件冒泡 (event || window.event).cancelBubble = true }; for (i = 0; i < aLi.length; i++) { //鼠标划过 aLi[i].onmouseover = function () { this.className = "hover" }; //鼠标离开 aLi[i].onmouseout = function () { this.className = ""; }; //鼠标点击 aLi[i].onclick = function () { oSelect.innerHTML = this.innerHTML } } document.onclick = function () { oSub.style.display = "none"; }; }; </script> </head> <body> <div id="search"> <div class="box"> <form> <span class="select">请选择游戏名称</span> <a href="javascript:;">搜索</a> </form> </div> <ul class="sub"> <li>地下城与勇士</li> <li>魔兽世界（国服）</li> <li>魔兽世界（台服）</li> <li>热血江湖</li> <li>神鬼传奇</li> <li>大话西游II</li> <li>QQ幻想世界</li> </ul> </div> </body> </html>
JS模拟select控件的代码
时间： 2024-10-22 22:06:29