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css - 当 AMP 中显示叠加时防止正文滚动

转载 作者:行者123 更新时间:2023-12-02 14:37:26 25 4
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有什么办法可以禁用 <body> 上的滚动吗?在 AMP 中显示叠加层时?

这是我尝试过的:

.noscroll {
overflow: hidden;
}
.overlay {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: rgba(0, 0, 0, 0.4);
transition: opacity 200ms ease-in-out;
visibility: hidden;
opacity: 0;
z-index: 1;
}
.overlay.show {
visibility: visible;
opacity: 1;
}
.taptoclose {
position: absolute;
top: 100px;
background: #fff;
padding 30px;
color: #000;
margin: auto;
font-size: 18px;
}
<!DOCTYPE html>
<html amp>
<head>
<script async src="https://cdn.ampproject.org/v0.js"></script>
<script async custom-element="amp-form" src="https://cdn.ampproject.org/v0/amp-form-0.1.js"></script>
<script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
</head>
<body [class]="noscrollBody ? 'noscroll' : ''" on="tap:AMP.setState({
showOverlay: true,
noscrollBody: true
})">

<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>
<h4>Dummy data to show scroll. Tap anywhere to show Overlay.</h4>

<div class="overlay" [class]="showOverlay ? 'overlay show' : 'overlay'" on="tap:AMP.setState({
showOverlay: false,
noscrollBody: false
})">
</div>
</body>

但是,在控制台中可以看到以下内容,这意味着 AMP 强制始终显示 overflow对于 <html><body>

html.i-amphtml-singledoc>body {
overflow: visible!important;
position: relative!important;
}

我调查过documentation and HTML Specs of AMP但找不到任何东西。

最佳答案

您可以使用 amp-lightbox ( https://ampbyexample.com/components/amp-lightbox/ ) 创建一个禁止滚动背景的叠加层。如果您没有理由避免使用它,这可能是一个不错的选择。

关于css - 当 AMP 中显示叠加时防止正文滚动,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46969343/

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