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JS implements Windows classic style tab switching code_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:35:562015browse

The example in this article describes the implementation of JS-like Windows classic style tab switching code. Share it with everyone for your reference, the details are as follows:

This imitation Windows-style tab has a gray three-dimensional feel. The sample content uses JS to control the output. It is just to demonstrate the function. You can completely remove it when using it.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-f-windows-style-tab-demo/

The specific code is as follows: 

<!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" />
<title>选项卡</title>
<style type="text/css">
body{
 background-color:#CCC;
}
.tab{
 margin:0;
 padding:0;
 position:absolute;
}
.tab li{
 float:left;
 list-style:none;
}
.tab li span{
 float:left;
 display:block;
 height:20px;
 line-height:20px;
 position:relative;
 border-style:solid;
 border-width:1px 1px 0 1px;
 border-color:#EEE #999 #777 #DDD;
 background-color:#CCC;
 margin:1px 2px 0 0;
 padding:0 5px 0 5px;
 font-size:12px;
 cursor:pointer;
 z-index:1;
}
.tab li div{
 display:none;
 position:absolute;
 top:22px;
 left:0px;
 background-color:#CCC;
 border:1px solid;
 border-color:#EEE #999 #777 #DDD;
 text-align:center;
 overflow:auto;
}
.tab li.selected span{
 margin-top:0;
 height:22px;
}
.tab li.selected div{
 display:block;
}
</style>
<script type="text/javascript">
function CreateTab(tab_width,tab_height,parent_obj){
 var newtab=document.createElement("UL");
 newtab.className="tab";
 parent_obj.appendChild(newtab);
 Tab.call(newtab);
 newtab.style.width=tab_width+"px";
 newtab.style.height=tab_height+"px";
 return newtab;
}
function Tab(){
 var this_tab=this;
 this.selected_page;
 this.page_names=new Array();
 this.page_contents=new Array();
 this.Select=function(){
  this_tab.selected_page.className="";
  this.className="selected";
  this_tab.selected_page=this;
 }
 this.NewPage=function(page_name){
  var newpage=document.createElement("LI");
  newpage.onclick=this.Select;
  newpage.innerHTML="<span>"+page_name+"</span><div></div>";
  this.appendChild(newpage);
  newpage.lastChild.style.width=parseInt(this.style.width)-2+"px";
  newpage.lastChild.style.height=parseInt(this.style.height)-24+"px";
  this.page_names.push(newpage.firstChild);
  this.page_contents.push(newpage.lastChild);
  return newpage;
 }
 this.SetChecked=function(page_index){
  if(page_index>-1&&this.childNodes.length>page_index){
   this.selected_page=this.childNodes[page_index];
   this.selected_page.className="selected";
  }
 }
}
</script>
</head>
<body>
<script type="text/javascript">
var newtab=CreateTab(400,300,document.body);
 newtab.NewPage("第一页");
 newtab.NewPage("第二页");
 newtab.NewPage("第三页");
 newtab.NewPage("第四页");
 newtab.NewPage("第五页");
 newtab.SetChecked(0);
 newtab.style.top="100px";
 newtab.style.left="200px";
 for(var i=0;i<newtab.childNodes.length;i++){
  newtab.page_contents[i].innerHTML=function(number){
   var content_str="";
   for(var n=0;n<1;n++){
    content_str+="<br />---------------这是第"+number+"页---------------";
   }
   return content_str;
  }(i+1);
 }
</script>
</body>
</html>

I hope this article will be helpful to everyone in JavaScript programming.

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