在移动浏览器中显示滚动条 [英] Make scrollbar visible in mobile browsers

问题描述

当我有一个可滚动内容的网页。使用css属性overflow：auto或overflow：visible，滚动条在桌面浏览器上可见，但是当我在移动浏览器上打开页面时，滚动条仅在我尝试滚动时显示。
有没有办法使滚动条在移动设备上始终可见？我尝试了一些JQuery库，但没有一个工作。

when I have a web page with a scrollable content. With css property "overflow:auto" or "overflow:visible" the scrollbar is visible on desktop browsers, but when I open the page on mobile browsers the scrollbar appears only when I try to scroll. Is there a way to make the scrollbar always visible on mobile devices? I have tried some JQuery libraries but none of them have worked.

html代码很简单，我有一个可滚动的div与IFrame里面：

The html code is trivial, I have a scrollable div with an IFrame inside:

<div id="wrapper">
    <iframe id="frameContent" src="mysite" scrollable="yes"></iframe>
</div>

css：

#wrapper{
    overflow: scroll;
    -webkit-overflow-scrolling: touch;
    width: 500px;
    height: 200px;
}

#frameContent{
    width: 100%;
    height: 100%;
} 

推荐答案

CSS，请注意这是 webkit 具体：

Try adding the below to your CSS, note that this is webkit specific:

::-webkit-scrollbar {
    -webkit-appearance: none;
}

::-webkit-scrollbar:vertical {
    width: 12px;
}

::-webkit-scrollbar:horizontal {
    height: 12px;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, .5);
    border-radius: 10px;
    border: 2px solid #ffffff;
}

::-webkit-scrollbar-track {
    border-radius: 10px;  
    background-color: #ffffff; 
}

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