常用JS圖片滾動(無縫、平滑、上下左右滾動)代碼大全


innerHTML:    設置或獲取位於對象起始和結束標簽內的 HTML

scrollHeight: 獲取對象的滾動高度。

scrollLeft:   設置或獲取位於對象左邊界和窗口中目前可見內容的最左端之間的距離

scrollTop:    設置或獲取位於對象最頂端和窗口中可見內容的最頂端之間的距離

scrollWidth: 獲取對象的滾動寬度

offsetHeight: 獲取對象相對於版面或由父坐標 offsetParent 屬性指定的父坐標的高度

offsetLeft:   獲取對象相對於版面或由 offsetParent 屬性指定的父坐標的計算左側位置

offsetTop:    獲取對象相對於版面或由 offsetTop 屬性指定的父坐標的計算頂端位置

offsetWidth: 獲取對象相對於版面或由父坐標 offsetParent 屬性指定的父坐標的寬度

以下包含四種方向的滾動代碼,粗體部分需要自行修改,可修改成更復雜的代碼,如圖文混排、加邊框、限制圖片大小等。

增大width時,應該相應增加一些圖片(應該是使所有圖片組成的總寬度大於設定的width),即使是重復的,否則會在滾動一會兒后停下來,圖片不宜太大,否則在IE下滾動緩慢!

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<!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>向上下左右不間斷無縫滾動圖片的效果(兼容火狐和IE)</title>

</head>

<body>

<div id="colee" style="overflow:hidden;height:253px;width:410px;">

<div id="colee1">

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

</div>

<div id="colee2"></div>

</div>

<script>

var speed=30;

var colee2=document.getElementById("colee2");

var colee1=document.getElementById("colee1");

var colee=document.getElementById("colee");

colee2.innerHTML=colee1.innerHTML; //克隆colee1為colee2

function Marquee1(){

//當滾動至colee1與colee2交界時

if(colee2.offsetTop-colee.scrollTop<=0){

 colee.scrollTop-=colee1.offsetHeight; //colee跳到最頂端

 }else{

 colee.scrollTop++

}

}

var MyMar1=setInterval(Marquee1,speed)//設置定時器

//鼠標移上時清除定時器達到滾動停止的目的

colee.onmouseover=function() {clearInterval(MyMar1)}

//鼠標移開時重設定時器

colee.onmouseout=function(){MyMar1=setInterval(Marquee1,speed)}

</script>

 

<!--向上滾動代碼結束-->

 

<br>

 

<!--下面是向下滾動代碼-->

 

<div id="colee_bottom" style="overflow:hidden;height:253px;width:410px;">

<div id="colee_bottom1">

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>

</div>

<div id="colee_bottom2"></div>

</div>

<script>

var speed=30

var colee_bottom2=document.getElementById("colee_bottom2");

var colee_bottom1=document.getElementById("colee_bottom1");

var colee_bottom=document.getElementById("colee_bottom");

colee_bottom2.innerHTML=colee_bottom1.innerHTML

colee_bottom.scrollTop=colee_bottom.scrollHeight

function Marquee2(){

if(colee_bottom1.offsetTop-colee_bottom.scrollTop>=0)

colee_bottom.scrollTop+=colee_bottom2.offsetHeight

else{

colee_bottom.scrollTop--

}

}

var MyMar2=setInterval(Marquee2,speed)

colee_bottom.onmouseover=function() {clearInterval(MyMar2)}

colee_bottom.onmouseout=function() {MyMar2=setInterval(Marquee2,speed)}

</script>

 

<!--向下滾動代碼結束-->

 

<br>

 

<!--下面是向左滾動代碼-->

 

<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="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

</tr>

</table>

</td>

<td id="colee_left2" valign="top"></td>

</tr>

</table>

</div>

<script>

//使用div時,請保證colee_left2與colee_left1是在同一行上.

var speed=30//速度數值越大速度越慢

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 是對象的可見寬度

colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是對象的實際內容的寬,不包邊線寬度

else{

colee_left.scrollLeft++

}

}

var MyMar3=setInterval(Marquee3,speed)

colee_left.onmouseover=function() {clearInterval(MyMar3)}

colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}

</script>

 

<!--向左滾動代碼結束-->

 

<br>

 

<!--下面是向右滾動代碼-->

 

<div id="colee_right" style="overflow:hidden;width:500px;">

<table cellpadding="0" cellspacing="0" border="0">

<tr><td id="colee_right1" valign="top" align="center">

<table cellpadding="2" cellspacing="0" border="0">

<tr align="center">

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>

</tr>

</table>

</td>

<td id="colee_right2" valign="top"></td>

</tr>

</table>

</div>

<script>

var speed=30//速度數值越大速度越慢

var colee_right2=document.getElementById("colee_right2");

var colee_right1=document.getElementById("colee_right1");

var colee_right=document.getElementById("colee_right");

colee_right2.innerHTML=colee_right1.innerHTML

function Marquee4(){

if(colee_right.scrollLeft<=0)

colee_right.scrollLeft+=colee_right2.offsetWidth

else{

colee_right.scrollLeft--

}

}

var MyMar4=setInterval(Marquee4,speed)

colee_right.onmouseover=function() {clearInterval(MyMar4)}

colee_right.onmouseout=function() {MyMar4=setInterval(Marquee4,speed)}

</script>

 

<!--向右滾動代碼結束-->

</body>

</html>


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