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本文档使用
php.cn手册 发布
文字
返回值:Integer
scrollTop([val])
概述
获取匹配元素相对滚动条顶部的偏移。
此方法对可见和隐藏元素均有效。
参数
valString, NumberV1.2.6
设定垂直滚动条值
示例
无参数描述:
获取第一段相对滚动条顶部的偏移
HTML 代码:
<p>Hello</p><p>2nd Paragraph</p>
jQuery 代码:
var p = $("p:first");
$("p:last").text( "scrollTop:" + p.scrollTop() );结果:
<p>Hello</p><p>scrollTop: 0</p>
参数val 描述:
设置相对滚动条顶部的偏移
jQuery 代码:
$("div.demo").scrollTop(300);