如何在Bootstrap导航栏中加快移动设备的下拉菜单？ [英] How can I speed up the mobile dropdown in the Bootstrap navbar?

问题描述

在手机上，导航栏上有一个下拉菜单。但这太慢了。

On the mobile phone, there is a dropdown menu on the navbar. But it is far too slow.

它是基于JQuery的吗？还是基于CSS过渡？如何加快速度？

Is it JQuery based? Or is it CSS transition based? How do I speed it up?

推荐答案

这是基于CSS过渡的，请尝试从此类的transition属性更改height值

It is CSS transition based, try changing the height value from the transition property of this class.

.collapsing {
  position: relative;
  height: 0;
  overflow: hidden;
  -webkit-transition: height .35s ease;
       -o-transition: height .35s ease;
          transition: height .35s ease;
}

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