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HTML DOM scrollBy() 方法


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Definition and Usage
定义与用法

The scrollBy() method is used to scroll the content by the specified number of pixels.
scrollBy()方法可用来将内容滚动到指定的位置上

Note: The visible property of the window's scrollbar must be set to true if using this method!
注意:如果要使用这个方法必须得让窗口的滚动条可见为真。

Syntax 语法

scrollBy(xnum,ynum)

Parameter
参数
Description
描述
xnum Required. How many pixels to scroll by, along the x-axis
必选。滚动多少象素,X坐标
ynum Required. How many pixels to scroll by, along the y-axis
必选。滚动多少象素,Y坐标


Example 举例

<html>
<head>
<script type="text/javascript">
function scrollWindow()
{
window.scrollBy(100,100)
}
</script>
</head>
<body>
<form>
<input type="button" onclick="scrollWindow()" value="Scroll">
</form>
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
</body>
</html>


演示

Scroll the window
滚动窗口

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