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JavaScript code for continuous scrolling of images in div + css layout

Source: Internet
Author: User
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Html layout code
Copy codeThe Code is as follows:
<! 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> untitled document </title>
<Script type = "text/javascript" src = "Marquee. js"> </script>
<Style type = "text/css">
<! --
*{
Margin: 0;
Padding: 0;
}
# Demo {
/********* Ensure that the image is rolled out of the specified width *********/
Width: 600px;/* visible area width */
Overflow: hidden;
/********* Ensure that the image is rolled out of the specified width *********/
Height: 80px;
}
# Demo1, # demo2 {
Width: 800px;/* width of the entire image */
Float: left;
}
# Demo img {
Display: block;
Float: left;
}
# Demo li {
Float: left;
Width: 60px;
Height: 80px;
}
-->
<! --
# Demo0 {
/********* Ensure that the image is rolled out of the specified width *********/
Width: 600px;/* visible area width */
Overflow: hidden;
/********* Ensure that the image is rolled out of the specified width *********/
Height: 80px;
}
# Demo11, # demo22 {
Width: 1020px;/* width of the entire image */
Display: block;
Height: 80px;
}
# Demo0 li {
Float: left;
Margin: 0 5px;
Width: 60px;
Height: 80px;
}
-->
</Style>
</Head>
<Body>
<! -- Required structure -- <div class = "demo">
<Div class = "demo1"> </div>
<Div class = "demo2"> </div>
</Div> -- the structure must be ---->
<Div id = "demo">
<Ul id = "demo1">
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
</Ul>
<Ul id = "demo2"> </ul>
</Div>

<! -- <Div id = "demo0">
<Div id = "demo11">
<Ul>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
<Li> <a href = "#"> </a> </li>
</Ul>
</Div>
<Div id = "demo22"> </div>
</Div> -->
<Script>
Toleft ("demo", "demo1", "demo2", 30, "onedemo ");
// Toright ("demo0", "demo11", "demo22", 20, "ti2 ");
</Script>
</Body>
</Html>

Js core code
Copy codeThe Code is as follows:
// Call to scroll left
// Toleft ("demo", "demo1", "demo2", 30, "ti1 ")
// Call to scroll to the right
// Toright ("demo0", "demo11", "demo22", 20, "ti2 ")

Function $ (id)
{
Return document. getElementById (id)
}

// The left-side scrolling function. The demo contains demo1 and demo2. The speed is the scroll speed. If a flag contains multiple characters, it is set to any character.
Function toleft (demo, demo1, demo2, speed, flag)
{
Demo = $ (demo );
Demo1 = $(demo1 );
Demo2 = $ (demo2)
Demo2.innerHTML = demo1.innerHTML
Function Marquee ()
{
If (demo2.offsetWidth-demo. scrollLeft <= 0)
{
Demo. scrollLeft-= demo1.offsetWidth
}
Else
{
Demo. scrollLeft ++
}
}
Flag = setInterval (Marquee, speed)
Demo. onmouseover = function ()
{
ClearInterval (flag );
}
Demo. onmouseout = function ()
{
Flag = setInterval (Marquee, speed );
}
}


// The scroll to the right function. The demo contains demo1 and demo2. speed indicates the scroll speed. If a flag contains multiple characters, it is set to any character.
Function toright (demo, demo1, demo2, speed, flag)
{
Demo = $ (demo );
Demo1 = $(demo1 );
Demo2 = $ (demo2)
Demo2.innerHTML = demo1.innerHTML
Function Marquee ()
{
If (demo. scrollLeft <= 0)
{
Demo. scrollLeft = demo2.offsetWidth
}
Else
{
Demo. scrollLeft --
}
}
Flag = setInterval (Marquee, speed)
Demo. onmouseover = function ()
{
ClearInterval (flag );
}
Demo. onmouseout = function ()
{
Flag = setInterval (Marquee, speed );
}
}

For more functions, refer to the following content:
JavaScript image scrolling in four directions
JavaScript seamless up, down, left, and right scrolling to add a fixed height, width, and pause effect (compatible with ie/ff)

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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