我有一个长div,我想要滚动,但滚动条是灰色的。无论我尝试什么,它似乎都没有出现。我可以向左拖动并通过突出显示来写,但我无法滚动。
以下是整个代码:
<link rel="stylesheet" href="/documents/mathquill/mathquill.css"/>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="/documents/mathquill/mathquill.js"></script>
<style>
#body{width: 500px; overflow-x: scroll;}
</style>
<div id = "body">
y = \sqrt{\frac{2}{10}}\left(\frac{1}{\sqrt{2}}\cdot 11.07+-0.19\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 1\right)+-8.51\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 2\right)+7\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 3\right)+-7.24\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 4\right)+6.01\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 5\right)+-5.26\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 6\right)+3.93\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 7\right)+-2.76\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 8\right)+1.36\cos \left(\frac{\pi }{10}\left(n+0.5\right)\cdot 9\right)\right)
</div>
<script>
var MQ = MathQuill.getInterface(2);
MQ.StaticMath($('#body')[0]);
</script>
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