Javascript？/ CSS - 下拉菜单
[英]Javascript?/CSS - Drop Down Menu
问题描述
I was looking for some kind of code similar to Gmail's Chat on Gmail's Page: a drop-down menu that pushes everything else that is down to the chat, but for some reason I couldn't see the page's source and I haven't found the same code in any other page. 
我正在寻找类似于Gmail在Gmail页面上聊天的代码：一个下拉菜单，可以推送其他所有内容，但由于某种原因，我看不到页面的来源而我找不到任何其他页面中的相同代码。 Does anybody know some page with similar code? 有人知道一些类似代码的页面吗？
Regards! 问候！
2 个解决方案
解决方案1
1 2011-04-04 12:28:27
You can have a which height is set to 0px or auto to make it expand/collapse. 您可以将高度设置为0px或自动以使其展开/折叠。
You can also give a sliding effect by gradually increasing/decreasing the height of the div. 您还可以通过逐渐增加/减少div的高度来提供滑动效果。
As long as it's not positioned absolute, it will push the content below. 只要它不是绝对的，它将推动下面的内容。
解决方案2
1 已采纳 2011-04-04 12:43:19
You can use jQuery's native slideDown function to show hidden elements that will push content down below them, depending on your slideDown element's CSS positioning and float. 您可以使用jQuery的原生slideDown函数来显示隐藏的元素，这些元素会将内容推到它们下面，具体取决于您的slideDown元素的CSS定位和浮动。
http://api.jquery.com/slideDown/ http://api.jquery.com/slideDown/
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