发布于 2016-12-30 13:43:31 | 178 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Javascript教程，程序狗速度看过来！
JavaScript客户端脚本语言
Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言，主要目的是为了解决服务器端语言，比如Perl，遗留的速度问题，为客户提供更流畅的浏览效果。
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<meta charset=utf-8 />
<title>js模拟select</title>
</head>
<style>
*{ margin:0; padding:0;}
li{ list-style:none;}
body{ font:12px "宋体"; color:#666;}
.select_down{ margin:100px auto; position:relative; width:600px; min-height:200px; height:auto!important; height:200px; border:1px solid #ccc; padding:20px; border-radius: 8px}
.select_down dt{float:left;width:134px;position:relative;margin-right:5px;display:inline;}
.select_down h3{color: #919191; font-size:12px;font-weight: normal;border:1px solid #e5e5e5;height:18px;background:#fbfbfb;line-height: 18px;text-indent:8px;}
.select_down ul{width: 132px;border: 1px solid #e5e5e5;background:#fbfbfb;position: absolute;top: 18px;left: 0;
z-index: 1;text-indent:8px;display:none;}
.select_down ul li{height:22px;line-height: 22px;cursor:pointer;}
.select_down ul li.hover{background:#f2f2f2;}
.select_down dt a{background:url('http://www.phperz.com/hxh-hua/478335/o_select.jpg') no-repeat;position:absolute;width:18px;height:18px;top:1px;right:1px; }
</style>
<body>
<div class="select_down" id="sel">
<dl>
<dt>
<h3>select选择</h3>
<a href="javascript:;"></a>
<ul>
<li>jq的select模拟1</li>
<li>jq的select模拟2</li>
<li>jq的select模拟3</li>
</ul>
</dt>
<dt>
<h3>select选择2</h3>
<a href="javascript:;"></a>
<ul>
<li>jq的select模拟11</li>
<li>jq的select模拟22</li>
<li>jq的select模拟31</li>
</ul>
</dt>
</dl>
</div>
<script>
window.onload=function(){
var oflink = document.getElementById('sel');
var aDt = oflink.getElementsByTagName('dt');
var aUl = oflink.getElementsByTagName('ul');
var aH3= oflink.getElementsByTagName('h3');
for(var i=0;i<aDt.length;i++){
aDt[i].index = i;
aDt[i].onclick = function(ev){
var ev = ev || window.event;
var This = this;
for(var i=0;i<aUl.length;i++){
aUl[i].style.display = 'none';
}
aUl[this.index].style.display = 'block';
document.onclick = function(){
aUl[This.index].style.display = 'none';
};
ev.cancelBubble = true;
};
}
for(var i=0;i<aUl.length;i++){
aUl[i].index = i;
(function(ul){
var iLi = ul.getElementsByTagName('li');
for(var i=0;i<iLi.length;i++){
iLi[i].onmouseover = function(){
this.className = 'hover';
};
iLi[i].onmouseout = function(){
this.className = '';
};
iLi[i].onclick = function(ev){
var ev = ev || window.event;
aH3[this.parentNode.index].innerHTML = this.innerHTML;
ev.cancelBubble = true;
this.parentNode.style.display = 'none';
};
}
})(aUl[i]);
}
}
</script>
</body>
</html>