先了解一下下面这几个属性:
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
图片向上无缝滚动
<style type=
"text/css"
>
<!--
#demo {
background:
#FFF;
overflow:hidden;
border: 1px dashed
#CCC;
height: 100px;
text-align: center;
float: left;
}
#demo img {
border: 3px solid
#F2F2F2;
display: block;
}
-->
</style>
向上滚动
<div id=
"demo"
>
<div id=
"demo1"
>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
</div>
<div id=
"demo2"
></div>
</div>
<script>
<!--
var
speed=10;
//数字越大速度越慢
var
tab=document.getElementByIdx_x(
"demo"
);
var
tab1=document.getElementByIdx_x(
"demo1"
);
var
tab2=document.getElementByIdx_x(
"demo2"
);
tab2.innerHTML=tab1.innerHTML;
//克隆demo1为demo2
function
Marquee(){
if
(tab2.offsetTop-tab.scrollTop<=0)
//当滚动至demo1与demo2交界时
tab.scrollTop-=tab1.offsetHeight
//demo跳到最顶端
else
{
tab.scrollTop++
}
}
var
MyMar=setInterval(Marquee,speed);
tab.onmouseover=
function
() {clearInterval(MyMar)};
//鼠标移上时清除定时器达到滚动停止的目的
tab.onmouseout=
function
() {MyMar=setInterval(Marquee,speed)};
//鼠标移开时重设定时器
-->
</script>
图片向下无缝滚动
<style type=
"text/css"
>
<!--
#demo {
background:
#FFF;
overflow:hidden;
border: 1px dashed
#CCC;
height: 100px;
text-align: center;
float: left;
}
#demo img {
border: 3px solid
#F2F2F2;
display: block;
}
-->
</style>
向下滚动
<div id=
"demo"
>
<div id=
"demo1"
>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
</div>
<div id=
"demo2"
></div>
</div>
<script>
<!--
var
speed=10;
//数字越大速度越慢
var
tab=document.getElementByIdx_x(
"demo"
);
var
tab1=document.getElementByIdx_x(
"demo1"
);
var
tab2=document.getElementByIdx_x(
"demo2"
);
tab2.innerHTML=tab1.innerHTML;
//克隆demo1为demo2
tab.scrollTop=tab.scrollHeight
function
Marquee(){
if
(tab1.offsetTop-tab.scrollTop>=0)
//当滚动至demo1与demo2交界时
tab.scrollTop+=tab2.offsetHeight
//demo跳到最顶端
else
{
tab.scrollTop--
}
}
var
MyMar=setInterval(Marquee,speed);
tab.onmouseover=
function
() {clearInterval(MyMar)};
//鼠标移上时清除定时器达到滚动停止的目的
tab.onmouseout=
function
() {MyMar=setInterval(Marquee,speed)};
//鼠标移开时重设定时器
-->
</script>
图片向左无缝滚动
<style type=
"text/css"
>
<!--
#demo {
background:
#FFF;
overflow:hidden;
border: 1px dashed
#CCC;
width: 500px;
}
#demo img {
border: 3px solid
#F2F2F2;
}
#indemo {
float: left;
width: 800%;
}
#demo1 {
float: left;
}
#demo2 {
float: left;
}
-->
</style>
向左滚动
<div id=
"demo"
>
<div id=
"indemo"
>
<div id=
"demo1"
>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
</div>
<div id=
"demo2"
></div>
</div>
</div>
<script>
<!--
var
speed=10;
//数字越大速度越慢
var
tab=document.getElementByIdx_x(
"demo"
);
var
tab1=document.getElementByIdx_x(
"demo1"
);
var
tab2=document.getElementByIdx_x(
"demo2"
);
tab2.innerHTML=tab1.innerHTML;
function
Marquee(){
if
(tab2.offsetWidth-tab.scrollLeft<=0)
tab.scrollLeft-=tab1.offsetWidth
else
{
tab.scrollLeft++;
}
}
var
MyMar=setInterval(Marquee,speed);
tab.onmouseover=
function
() {clearInterval(MyMar)};
tab.onmouseout=
function
() {MyMar=setInterval(Marquee,speed)};
-->
</script>
图片向右无缝滚动
<style type=
"text/css"
>
<!--
#demo {
background:
#FFF;
overflow:hidden;
border: 1px dashed
#CCC;
width: 500px;
}
#demo img {
border: 3px solid
#F2F2F2;
}
#indemo {
float: left;
width: 800%;
}
#demo1 {
float: left;
}
#demo2 {
float: left;
}
-->
</style>
向右滚动
<div id=
"demo"
>
<div id=
"indemo"
>
<div id=
"demo1"
>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
</div>
<div id=
"demo2"
></div>
</div>
</div>
<script>
<!--
var
speed=10;
//数字越大速度越慢
var
tab=document.getElementByIdx_x(
"demo"
);
var
tab1=document.getElementByIdx_x(
"demo1"
);
var
tab2=document.getElementByIdx_x(
"demo2"
);
tab2.innerHTML=tab1.innerHTML;
function
Marquee(){
if
(tab.scrollLeft<=0)
tab.scrollLeft+=tab2.offsetWidth
else
{
tab.scrollLeft--;
}
}
var
MyMar=setInterval(Marquee,speed);
tab.onmouseover=
function
() {clearInterval(MyMar)};
tab.onmouseout=
function
() {MyMar=setInterval(Marquee,speed)};
-->
</script>
最后,如果有人想一个页面有两个滚动图片集,一个往左一个往右,那下面的能用了。我把js都加个i了,还有css
向右滚动
<div id=
"demoi"
>
<div id=
"indemoi"
>
<div id=
"demoi1"
>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
<a href=
"#"
><img src=
"//www.jb51.net/other/link/Clear_logo.gif"
border=
"0"
/></a>
</div>
<div id=
"demoi2"
></div>
</div>
</div>
<script>
<!--
var
speedi=10;
//数字越大速度越慢
var
tabi=document.getElementByIdx_x(
"demoi"
);
var
tabi1=document.getElementByIdx_x(
"demoi1"
);
var
tabi2=document.getElementByIdx_x(
"demoi2"
);
tabi2.innerHTML=tabi1.innerHTML;
function
Marqueei(){
if
(tabi.scrollLeft<=0)
tabi.scrollLeft+=tabi2.offsetWidth
else
{
tabi.scrollLeft--;
}
}
var
MyMari=setInterval(Marqueei,speedi);
tabi.onmouseover=
function
() {clearInterval(MyMari)};
tabi.onmouseout=
function
() {MyMari=setInterval(Marqueei,speedi)};
-->
</script>