Home >Web Front-end >CSS Tutorial >css layer scroll bar_Experience exchange
css layer scroll bar_Experience exchange
- PHP中文网Original
- 2016-05-16 12:06:092094browse
css layer scroll bar_experience exchange
<html>
<head><title>层滚动条DIY - Powered by yexj00</title>
<style>
<!--
*{ font-size: 12px}
-->
</style>
<script language="Javascript">
<!--
function $(obj){
return document.all[obj];
}
function setbarHeight(){
$("scroll_bar").style.height=($("scroll_content").clientHeight)/($("scroll_content").scrollHeight)*
($("scroll_area").offsetHeight)+"px";
if($("scroll_bar").offsetHeight>=$("scroll_area").offsetHeight){
$("scroll_bar").style.display='none';
}
}
//-->
</script>
<script language="Javascript">
<!--
var drag=false; //是否允许拖动
var mx,my;
var scrollbar_L;
var scrollbar_T;
var scrollbar_W;
var scrollbar_H;
var scrollarea_T,scrollarea_H;
var startT,startY;
function getInfor(){
mx=event.clientX+document.documentElement.scrollLeft;
my=event.clientY+document.documentElement.scrollTop;
scrollbar_L=document.documentElement.clientLeft+$("outerDiv").
style.pixelLeft+$("scroll_area").offsetLeft+$("scroll_bar").offsetLeft;
scrollbar_T=document.documentElement.clientTop+$("outerDiv").
style.pixelTop+$("scroll_area").offsetTop+$("scroll_bar").offsetTop;
scrollbar_W=$("scroll_bar").offsetWidth;
scrollbar_H=$("scroll_bar").offsetHeight;
scrollarea_T=document.documentElement.clientTop+$("outerDiv").style.pixelTop+$("scroll_area").offsetTop;
scrollarea_H=$("scroll_area").offsetHeight;
}
function dragit(){
getInfor();
if(event.srcElement.id=="scroll_bar"){
drag=true;
$("scroll_bar").style.background="#cccccc";
startT=$("scroll_bar").style.pixelTop;
startY=event.clientY;
document.onmousemove=move;
}
}
function move(){
if(drag==true){
$("scroll_bar").style.pixelTop=startT+event.clientY-startY;
$("scroll_content").scrollTop=$("scroll_bar").style.pixelTop/$("scroll_area").
offsetHeight*$("scroll_content").scrollHeight;
if($("scroll_bar").style.pixelTop<=0){ $("scroll_bar").style.pixelTop=0}
if($("scroll_bar").style.pixelTop>=(scrollarea_H-scrollbar_H)){
$("scroll_bar").style.pixelTop=scrollarea_H-scrollbar_H;
}
return false;
}
}
document.onmousedown=dragit;
document.onmouseup=new Function("drag=false;$('scroll_bar').style.background='#efefef'");
//-->
</script>
</head>
<body onload="setbarHeight()">
<div id="outerDiv" style="position:absolute; left:100px; top:50px; width:130px; height:130px">
<div id="scroll_content" style="position:absolute; padding:2px; left:2px; top:5px; width:100px;
height:100px; border:1px solid #cccccc; overflow: hidden">
<!-- 这是层的内容区 -->
<script language="Javascript">
<!--
var str="这个是用层做的滚动条,Powered by yexj00!";
str=str.split("");
for(i=0;i<str.length;i++){
document.write(str[i]+" <br>");
}
//-->
</script>
<!-- 层的内容区结束 -->
</div>
<div id="up_btt" style="position:absolute; left:104px; top:5px; width:8px; height:16px; background:#efefef;
font-size:0px;border:1px outset #cccccc"></div>
<div id="scroll_area" style=" position:absolute; left:104px; top:22px; width:8px; height:66px;font-size:0px;
background:#efefef">
<div id="scroll_bar" style="position:absolute; left:0px; top:0px; width:8px; background:#efefef;
font-size:0px;border:1px outset #cccccc"></div>
</div>
<div id="down_btt" style="position:absolute; left:104px; top:89px; width:8px; height:16px;
background:#efefef;font-size:0px; border:1px outset #cccccc"></div>
</div>
</body>
</html>the above is the content of css layer scroll bar_experience exchange. for more related content, please pay attention to the php chinese website (www.php.cn)!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn