先了解一下对象的几个的属性:
innerHTML:设置或获取位于对象起始和结束标签内的 HTML
scrollHeight: 获取对象的滚动高度。
scrollLeft:设置或获取位于对象左边界和窗口中目前可见内容的最左端之间的距离
scrollTop:设置或获取位于对象最顶端和窗口中可见内容的最顶端之间的距离
scrollWidth:获取对象的滚动宽度
offsetHeight:获取对象相对于版面或由父坐标 offsetParent 属性指定的父坐标的高度
offsetLeft:获取对象相对于版面或由 offsetParent 属性指定的父坐标的计算左侧位置
offsetTop:获取对象相对于版面或由 offsetTop 属性指定的父坐标的计算顶端位置
offsetWidth:获取对象相对于版面或由父坐标 offsetParent 属性指定的父坐标的宽度
好,先看这个向上滚动的代码:
<base href="http://www.flash8.net">
<div id=demo style=overflow:hidden;height:100;width:90;background:#214984;color:#ffffff><div id=demo1>
<img src="images/flash8.gif">
<img src="images/link/flashempire.gif">
<img src="images/linklogo/shlogo.gif">
<img src="images/link/deskcity.gif">
<img src="images/linklogo/5dmeng.gif">
<img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407896.gif">
<img src="images/link/flashskylogo.gif">
<img src="images/link/5dlogo88.gif">
<img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407538.gif">
</div>
<div id=demo2></div>
</div>
<script>
var speed=30
demo2.innerHTML=demo1.innerHTML file://克隆demo1为demo2
function Marquee(){
if(demo2.offsetTop-demo.scrollTop<=0) file://当滚动至demo1与demo2交界时
demo.scrollTop-=demo1.offsetHeight file://demo跳到最顶端
else{
demo.scrollTop++
}
}
var MyMar=setInterval(Marquee,speed) file://设置定时器
demo.onmouseover=function() {clearInterval(MyMar)}//鼠标移上时清除定时器达到滚动停止的目的
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}//鼠标移开时重设定时器
</script>
向下滚动:
<base href="http://www.flash8.net">
<div id=demo style=overflow:hidden;height:100;width:90;background:#214984;color:#ffffff><div id=demo1>
<img src="images/flash8.gif">
<img src="images/link/flashempire.gif">
<img src="images/linklogo/shlogo.gif">
<img src="images/link/deskcity.gif">
<img src="images/linklogo/5dmeng.gif">
<img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407896.gif">
<img src="images/link/flashskylogo.gif">
<img src="images/link/5dlogo88.gif">
<img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407538.gif">
</div>
<div id=demo2></div>
</div>
<script>
var speed=30
demo2.innerHTML=demo1.innerHTML
demo.scrollTop=demo.scrollHeight
function Marquee(){
if(demo1.offsetTop-demo.scrollTop>=0)
demo.scrollTop+=demo2.offsetHeight
else{
demo.scrollTop--
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script>
向左滚动:
<base href="http://www.flash8.net">
<div id=demo style=overflow:hidden;height:33;width:500;background:#214984;color:#ffffff><table align=left cellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><img src="images/link/flashempire.gif"><img src="images/linklogo/shlogo.gif"><img src="images/link/deskcity.gif"><img src="images/linklogo/5dmeng.gif"><img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407896.gif"><img src="images/link/flashskylogo.gif"><img src="images/link/5dlogo88.gif"><img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407538.gif"><img src="images/flash8.gif"></td><td id=demo2 valign=top></td></tr></table></div> #p#分页标题#e#
<script>
var speed=30
demo2.innerHTML=demo1.innerHTML
function Marquee(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script>
向右滚动:
<base href="http://www.flash8.net">
<div id=demo style=overflow:hidden;height:33;width:500;background:#214984;color:#ffffff><table align=left cellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><img src="images/link/flashempire.gif"><img src="images/linklogo/shlogo.gif"><img src="images/link/deskcity.gif"><img src="images/linklogo/5dmeng.gif"><img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407896.gif"><img src="images/link/flashskylogo.gif"><img src="images/link/5dlogo88.gif"><img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200608/20060816101407538.gif"><img src="images/flash8.gif"></td><td id=demo2 valign=top></td></tr></table></div>
<script>
var speed=30
demo2.innerHTML=demo1.innerHTML
demo.scrollLeft=demo.scrollWidth
function Marquee(){
if(demo.scrollLeft<=0)
demo.scrollLeft+=demo2.offsetWidth
else{
demo.scrollLeft--
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script
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