当ctab[i] ==ctab[3]的时候,
ctab[i].onclick里面的循环是从3开始的吗?
也就是 var i=3
<!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=gb2312">
<style>
*{margin:0;padding:0;}
.clearfix:after {content:".";display:block;height:0;clear:both;visibility:hidden;}
*html .clearfix{height:1%;}
*+html .clearfix{height:1%;}
.clearfix{display:inline-block;}
.clearfix {display:block;}
ul{margin:10px 10px 0;}
ul li{background:#ddd; list-style:none;padding-top:5px; vertical-align:bottom}
ul li a{padding:5px 10px;margin-left:5px;text-decoration:none;font-size:12px;color:#000;float:left;}
ul li .crent{background:#fff;color:#f60;}
p{display:none;border:1px solid #ddd;border-top:none;margin:0 10px 10px;padding:5px;}
</style>
<title>Example</title>
<script type="text/javascript">
function $(objID){
return "string" == typeof(objID) ? document.getElementById(objID) : objID;
}
function addEvt(tab,ct){
var ctab = $(tab).getElementsByTagName("a");
var cdiv = $(ct).getElementsByTagName("p");
for(var i = 0;i<ctab.length;i++)
{
ctab[i].onclick =function std(){
for(var i = 0;i<ctab.length;i++){
if(i!=parseInt(this.rel-1))
{
ctab[i].className="";
cdiv[i].style.display="none";
}
}
ctab[parseInt(this.rel)-1].className="crent";
cdiv[parseInt(this.rel)-1].style.display="block";
}
}
}
window.onload=function(){
addEvt("tab","ct");
}
</script>
</head>
<body>
<div id="all1">
<ul class="ul_bigspace" id="tab">
<li class="clearfix">
<a href="#" class="crent" rel="1">平面设计</a>
<a href="#" rel="2">包装设计</a>
<a href="#" rel="3">影视广告片</a>
<a href="#" rel="4">媒介资源</a>
<a href="#" rel="5">网站设计</a>
<a href="#" rel="6">网站设计</a>
</li>
</ul>
<div id="ct">
<p style="display:block;">1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
</div>
</div>
</body>
</html>
ctab[i].onclick里面的循环是从3开始的吗?
也就是 var i=3
<!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=gb2312">
<style>
*{margin:0;padding:0;}
.clearfix:after {content:".";display:block;height:0;clear:both;visibility:hidden;}
*html .clearfix{height:1%;}
*+html .clearfix{height:1%;}
.clearfix{display:inline-block;}
.clearfix {display:block;}
ul{margin:10px 10px 0;}
ul li{background:#ddd; list-style:none;padding-top:5px; vertical-align:bottom}
ul li a{padding:5px 10px;margin-left:5px;text-decoration:none;font-size:12px;color:#000;float:left;}
ul li .crent{background:#fff;color:#f60;}
p{display:none;border:1px solid #ddd;border-top:none;margin:0 10px 10px;padding:5px;}
</style>
<title>Example</title>
<script type="text/javascript">
function $(objID){
return "string" == typeof(objID) ? document.getElementById(objID) : objID;
}
function addEvt(tab,ct){
var ctab = $(tab).getElementsByTagName("a");
var cdiv = $(ct).getElementsByTagName("p");
for(var i = 0;i<ctab.length;i++)
{
ctab[i].onclick =function std(){
for(var i = 0;i<ctab.length;i++){
if(i!=parseInt(this.rel-1))
{
ctab[i].className="";
cdiv[i].style.display="none";
}
}
ctab[parseInt(this.rel)-1].className="crent";
cdiv[parseInt(this.rel)-1].style.display="block";
}
}
}
window.onload=function(){
addEvt("tab","ct");
}
</script>
</head>
<body>
<div id="all1">
<ul class="ul_bigspace" id="tab">
<li class="clearfix">
<a href="#" class="crent" rel="1">平面设计</a>
<a href="#" rel="2">包装设计</a>
<a href="#" rel="3">影视广告片</a>
<a href="#" rel="4">媒介资源</a>
<a href="#" rel="5">网站设计</a>
<a href="#" rel="6">网站设计</a>
</li>
</ul>
<div id="ct">
<p style="display:block;">1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
</div>
</div>
</body>
</html>
--------------- $("MenuBar").Reset = function() { $$("#MenuBar td[tabIndex]").each(function(node) {
node.className = "right_menu_normal";
var container = $("MenuContainer:" + node.tabIndex);
node.MenuContainer.style.display = "none";
}); } $$("#MenuBar td[tabIndex]").each(function(node) { var container = $("MenuContainer:" + node.tabIndex);
node.MenuContainer = container; node.SetSelected = function() {
this.className = "right_menu_hover";
this.MenuContainer.style.display = "block";
}
node.onclick = function() {
$("MenuBar").Reset();
this.SetSelected();
}
container.style.display = (node.className == "right_menu_hover") ? "block" : "none";
});
function addEvt(tab,ct){
var ctab = $(tab).getElementsByTagName("a");
var cdiv = $(ct).getElementsByTagName("p");
for(var i = 0;i<ctab.length;i++)
{
alert("wai"+i);//
ctab[i].onclick =function std(){
for(var i = 0;i<ctab.length;i++){
alert("nei"+i);//
if(i!=parseInt(this.rel-1))
{
ctab[i].className="";
cdiv[i].style.display="none";
}
}
ctab[parseInt(this.rel)-1].className="crent";
cdiv[parseInt(this.rel)-1].style.display="block";
}
}
}加个alert自己测试不就知道了
for(var i = 0;i<ctab.length;i++) //i的作用域是addEvt函数块里
{
ctab[i].onclick =function std(){
for(var i = 0;i<ctab.length;i++){ //i的作用域是onclick函数块里
if(i!=parseInt(this.rel-1))
{
ctab[i].className="";
cdiv[i].style.display="none";
}
}
ctab[parseInt(this.rel)-1].className="crent";
cdiv[parseInt(this.rel)-1].style.display="block";
}
}
是从0开始的!2个循环是相互独立的!不会冲突