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HTML DOM backgroundAttachment 属性

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定义和用法

backgroundAttachment 属性设置背景图像是否固定或者随着页面的其余部分滚动。

语法：

Object.style.backgroundAttachment=scroll|fixed

提示和注释

提示：请设置一种可用的背景颜色，这样的话，假如背景图像不可用，页面也可获得良好的视觉效果。

实例

本例设置在点击按钮后把背景图像设置为固定（不滚动）：

<html>
<head>
<style type="text/css">
body
{
background-color="#FFCC80";
background-image:url(bgdesert.jpg);
}
p
{
color:white;
}
</style>
<script type="text/javascript">
function changeAttachment()
{
document.body.style.backgroundAttachment="fixed";
}
</script>

</head>
<body>

<input type="button" onclick="changeAttachment()"
value="Set background-image to be fixed" />
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>

</body>
</html>