Scrollbars on overflow div do not appear when content is added to div using Javascript
I have an HTML Document that looks a bit like this, only is far more complex and harder to control:
<body>
<div id="title">This div doe开发者_如何学Gos not do anything, just stays at the top.</div>
<div id="container">
<div id="navigation">Some navigation</div>
<div id="content">Most of the content</div>
</div>
</body>
Then I have a stylesheet that includes the following:
#container
{
height: auto !important;
overflow: visible !important;
overflow-x: auto;
overflow-y: scroll;
position: relative;
width: auto !important;
}
This all works absolutely perfectly. The title section stays at the top of the page, the container div becomes scrollable if the content is long enough to need to scroll, otherwise it doesn't.
The problem is, that I am then using Javascript to add a whole lot more stuff to the content div. This means that the content div is getting longer than the page after it has loaded and this seems to mean, in IE8 at least, that the scrollbars on the container never get activated, so once the Javascript added content falls off the bottom of the page it becomes inaccessible.
It doesn't help that the minute I start tinkering with the IE developer tools, the scrollbars vanish altogether and I can't make them reappear, so it becomes somewhat hard to test.
I know IE8 has some issues with overflow-y.
You should try with this maybe.
-ms-overflow-y: scroll;
Hope that helps.
Hard to say if this will work without seeing more code, but why not remove the styles from your css and add them with javascript, once the content has loaded.
The solution that has worked was a simple hackaround of resizing the element with JavaScript to match the size it actually is once I have added the extra data to it, like this:
document.all['container'].style.height = document.documentElement.clientHeight+"px";
Of course, this doesn't entirely circumvent the problem- for that we need a new function:
function resizeResults()
{
var resultPanel=document.all["container"];
var topPanel=document.all["title"];
var newHeight= document.documentElement.clientHeight;
newHeight -= topPanel.clientHeight;
resultPanel.style.height=newHeight;
}
Then we can use window.attachEvent("onresize", resizeResults); to ensure that we don't lose the scrollbar or have it otherwise messed around when the user changes the window size.
Just remove the styles you have given for the element to make it scroll before loading ajax content to it.After loading ajax content then add those attributes again.
加载中,请稍侯......
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