<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
</head><body>
<script language="javascript">
<!--
window.onscroll=function()
{
alert("a");
}
//-->
</script>
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</body></html>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
</head><body>
<script language="javascript">
<!--
window.onscroll=function()
{
alert("a");
}
//-->
</script>
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</body></html>
/*你要做的事情,有如下相关方法参考
window.scroll
window.scrollBy
window.scrollTo
*/
} scroll--------------------------------------------------------------------------------DescriptionCauses the window to scroll to the specified x and y offset at the upper-left corner of the window. The preferred method for this is scrollTo; the scroll method is provided for backward compatibility only. Syntax
object.scroll(x, y)Parameter Description
x (Long) Horizontal position, in pixels.
y (Long) Vertical offset, in pixels. Return ValueNo return value.
scrollBy--------------------------------------------------------------------------------DescriptionCauses the window to scroll relative to the current scrolled position by the specified x and y pixel offsets. Syntax
object.scrollBy(x, y)Parameter Description
x (Long) Horizontal scroll offset, in pixels.
y (Long) Vertical scroll offset, in pixels. Return ValueNo return value. ResPositive values of x/y scroll further right/down; negative values scroll further left/up. Setting the scroll position beyond the limits results in the extreme valid scroll position in the direction specified. scrollTo--------------------------------------------------------------------------------DescriptionScrolls the window to the specified x and y offsets at the upper-left corner of the window. Syntax
object.scrollTo(x, y)Parameter Description
x (Long) Horizontal scroll offset, in pixels.
y (Long) Vertical scroll offset, in pixels. Return ValueNo return value.