js无空白循环滚动，为什么滚到最后一张图片就不滚了，求高手指点！代码在问题补充里。
<divid="colee_left"style="overflow:hidden;width:500px;"><tablecellpadding="0"cellspac...
<div id="colee_left" style="overflow:hidden;width:500px;">
<table cellpadding="0" cellspacing="0" border="0">
<tr><td id="colee_left1" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><p><img src="images/pic_tj1.gif"></p></td>
<td><p><img src="images/pic_tj2.gif"></p></td>
<td><p><img src="images/pic_tj1.gif"></p></td>
</tr>
</table>
</td>
<td id="colee_left2" valign="top"></td>
</tr>
</table>
</div>
<script>
//使用div时，请保证colee_left2与colee_left1是在同一行上.
var speed=10 //速度数值越大速度越慢
var colee_left2=document.getElementById("colee_left2");
var colee_left1=document.getElementById("colee_left1");
var colee_left=document.getElementById("colee_left");
colee_left2.innerHTML=colee_left1.innerHTML
function Marquee3(){
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0) //offsetWidth 是对象的可见宽度
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left.onmouseover=function() {clearInterval(MyMar3)}
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script> 展开
<table cellpadding="0" cellspacing="0" border="0">
<tr><td id="colee_left1" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><p><img src="images/pic_tj1.gif"></p></td>
<td><p><img src="images/pic_tj2.gif"></p></td>
<td><p><img src="images/pic_tj1.gif"></p></td>
</tr>
</table>
</td>
<td id="colee_left2" valign="top"></td>
</tr>
</table>
</div>
<script>
//使用div时，请保证colee_left2与colee_left1是在同一行上.
var speed=10 //速度数值越大速度越慢
var colee_left2=document.getElementById("colee_left2");
var colee_left1=document.getElementById("colee_left1");
var colee_left=document.getElementById("colee_left");
colee_left2.innerHTML=colee_left1.innerHTML
function Marquee3(){
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0) //offsetWidth 是对象的可见宽度
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left.onmouseover=function() {clearInterval(MyMar3)}
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script> 展开
1个回答
展开全部
你好楼主，并不是JS有问题，是你在做表格时出现了问题。
你设置colee_left,colee_left1,colee_left2的位置有问题。我改了下布局，用DIV来实现。你看下是不是你要的。
直接上代码了。
<!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=utf-8" />
<title>无标题文档</title>
<style type="text/css">
<!--
#colee_left {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
width: 500px;
}
#colee_left img {
border: 3px solid #F2F2F2;
}
#indemo {
float: left;
width: 800%;
}
#colee_left1 {
float: left;
}
#colee_left2 {
float: left;
}
-->
</style>
</head>
<body>
<div id="colee_left">
<div id="indemo">
<div id="colee_left1">
<a href="#"><img src="/jscss/demoimg/wall_s1.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s2.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s3.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s4.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s5.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s6.jpg" border="0" /></a>
</div>
<div id="colee_left2"></div>
</div>
</div>
<script>
//使用div时，请保证colee_left2与colee_left1是在同一行上.
var speed=10 //速度数值越大速度越慢
var colee_left2=document.getElementById("colee_left2");
var colee_left1=document.getElementById("colee_left1");
var colee_left=document.getElementById("colee_left");
colee_left2.innerHTML=colee_left1.innerHTML
function Marquee3(){
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0) //offsetWidth 是对象的可见宽度
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left.onmouseover=function() {clearInterval(MyMar3)}
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script>
</body>
</html>
你设置colee_left,colee_left1,colee_left2的位置有问题。我改了下布局，用DIV来实现。你看下是不是你要的。
直接上代码了。
<!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=utf-8" />
<title>无标题文档</title>
<style type="text/css">
<!--
#colee_left {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
width: 500px;
}
#colee_left img {
border: 3px solid #F2F2F2;
}
#indemo {
float: left;
width: 800%;
}
#colee_left1 {
float: left;
}
#colee_left2 {
float: left;
}
-->
</style>
</head>
<body>
<div id="colee_left">
<div id="indemo">
<div id="colee_left1">
<a href="#"><img src="/jscss/demoimg/wall_s1.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s2.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s3.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s4.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s5.jpg" border="0" /></a>
<a href="#"><img src="/jscss/demoimg/wall_s6.jpg" border="0" /></a>
</div>
<div id="colee_left2"></div>
</div>
</div>
<script>
//使用div时，请保证colee_left2与colee_left1是在同一行上.
var speed=10 //速度数值越大速度越慢
var colee_left2=document.getElementById("colee_left2");
var colee_left1=document.getElementById("colee_left1");
var colee_left=document.getElementById("colee_left");
colee_left2.innerHTML=colee_left1.innerHTML
function Marquee3(){
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0) //offsetWidth 是对象的可见宽度
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left.onmouseover=function() {clearInterval(MyMar3)}
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script>
</body>
</html>
本回答被提问者采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
