我正在开发一个 Vue 元素,我让用户通过单击每个设备特定的图标(移动设备、平板电脑、笔记本电脑和台式机)来选择应用程序主容器的宽度和高度。类似 Firefox 响应式工具。如何强制主容器内的元素响应其自己的视口(viewport)而不是浏览器视口(viewport)?
我正在使用 UIKit 宽度组件来定义我的断点。我知道我可以通过动态添加/删除类来实现这一点,但我的 Vue 组件是由用户动态添加的,所以它更复杂。
我认为可能有一种更通用的方法来做到这一点。这是示例代码(不同视口(viewport)中可见幻灯片的数量发生变化,如果我的组件是网格元素,则其内部的元素应该换行(基于容器宽度)):
<div id="main-container" :style="{width: deviceWidth, height: deviceHeight}">
<!-- Dynamically added component -->
<div class="uk-position-relative uk-visible-toggle uk-light" uk-slider>
<!-- UIKit Width classes -->
<ul class="uk-slider-items uk-child-width-1-2 uk-child-width-1-3@s uk-child-width-1-4@m">
<li>
<img src="../../img/01.jpg" alt="">
<div class="uk-position-center uk-panel"><h1>1</h1></div>
</li>
<li>
<img src="../../img/02.jpg" alt="">
<div class="uk-position-center uk-panel"><h1>2</h1></div>
</li>
<li>
<img src="../../img/03.jpg" alt="">
<div class="uk-position-center uk-panel"><h1>3</h1></div>
</li>
<li>
<img src="../../img/04.jpg" alt="">
<div class="uk-position-center uk-panel"><h1>4</h1></div>
</li>
</ul>
<a class="uk-position-center-left uk-position-small uk-hidden-hover" href="#" uk-slidenav-previous uk-slider-item="previous"></a>
<a class="uk-position-center-right uk-position-small uk-hidden-hover" href="#" uk-slidenav-next uk-slider-item="next"></a>
</div>
</div>
最佳答案
说明
这是一个非常简单且最小的答案,它的字面意思是为了简单地说明如何解决您的问题,但正如您在这个答案中看到的,按下不同的按钮会使包含的元素增大/缩小。
正如您在此解决方案中所看到的,所有响应式元素都将根据父元素的大小进行响应。如果您使用固定大小,那么实现这一点非常容易,就像我的示例一样。
尽管请注意,我只选择使用非常小的实现,没有使用 Vue 或任何复杂的东西,这是一个简单的解决方案,仅使用 native 技术。
编辑
在确切了解您要寻找的内容之后,长话短说,没有干净且简单的方法可以做到这一点,至少据我所知,您最好的选择就是简单地改变和改变类(class),到目前为止是最有意义的。
因为你的问题有点模糊,对我来说,你似乎正在尝试执行类似于 @arieljuod 所说的逻辑,即你试图在特定 DOM 元素而不是用户的视口(viewport)上运行媒体查询。
我很遗憾地通知您,据我所知,没有干净、简单的方法来实现这一目标,并不是说没有办法,我确信有人已经找到了一种方法,但有一种干净、简洁的方法,易于阅读,解决方案,我高度怀疑是否存在这样的解决方案。
const clickHandler = txt => {
let clName = '';
switch (txt) {
case 'Desktop':
clName = 'desktop';
break;
case 'Tablet':
clName = 'tablet';
break;
case 'Mobile':
clName = 'mobile';
break;
default:
clName = 'desktop';
}
document.getElementById("app").className = clName;
};
document.querySelectorAll("#sizes button").forEach(btn => {
btn.onclick = () => clickHandler(btn.textContent);
});
#sizes {
width: 100%;
display: block;
overflow: auto;
}
#sizes button {
float: left;
margin: 15px;
padding: 15px;
border: 1px solid black;
background: white;
box-sizing: border-box;
width: calc(33.33% - 30px);
}
#app {
height: 100vh;
background: #eee;
}
#app.desktop {
width: 960px;
}
#app.tablet {
width: 700px;
}
#app.mobile {
width: 320px;
}
.col-2 {
display: block;
overflow: auto;
}
.col-2>* {
float: left;
width: calc(50% - 30px);
padding: 15px;
margin: 15px;
box-sizing: border-box;
border: 1px solid black;
}
/* Just for a demo */
#redBlock {
background: red;
height: 100px;
width: 75%;
}
<!-- UIkit CSS -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/css/uikit.min.css" />
<!-- UIkit JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/js/uikit.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/js/uikit-icons.min.js"></script>
<div id="sizes">
<button>Desktop</button>
<button>Tablet</button>
<button>Mobile</button>
</div>
<div id="app" class="desktop">
<div class="col-2">
<p>Hello</p>
<p>World!</p>
</div>
<div id="redBlock"></div>
<div uk-slider>
<div class="uk-position-relative uk-visible-toggle uk-light">
<ul class="uk-slider-items uk-child-width-1-2 uk-child-width-1-3@s uk-child-width-1-4@m">
<li>
<img src="https://getuikit.com/docs/images/slider1.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>1</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider2.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>2</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider3.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>3</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider4.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>4</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider5.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>5</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider1.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>6</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider2.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>7</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider3.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>8</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider4.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>9</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider5.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>10</h1>
</div>
</li>
</ul>
<a class="uk-position-center-left uk-position-small uk-hidden-hover" href="#" uk-slidenav-previous uk-slider-item="previous"></a>
<a class="uk-position-center-right uk-position-small uk-hidden-hover" href="#" uk-slidenav-next uk-slider-item="next"></a>
</div>
<ul class="uk-slider-nav uk-dotnav uk-flex-center uk-margin"></ul>
</div>
</div>
可能的解决方案
在这种情况下我会做的如上所述,改变 slider 上的类,就像这样,我的意思是您可以使用额外/附加逻辑来检查用户的宽度等,但这可能 可能的最简单的方法。
const clickHandler = txt => {
const slider = document.getElementById("mySlider");
let clName = '';
switch (txt) {
case 'Desktop':
clName = 'desktop';
slider.className = 'uk-slider-items uk-child-width-1-4';
break;
case 'Tablet':
clName = 'tablet';
slider.className = 'uk-slider-items uk-child-width-1-3';
break;
case 'Mobile':
clName = 'mobile';
slider.className = 'uk-slider-items uk-child-width-1-2';
break;
default:
clName = 'desktop';
slider.className = 'uk-slider-items uk-child-width-1-4';
}
document.getElementById("app").className = clName;
};
document.querySelectorAll("#sizes button").forEach(btn => {
btn.onclick = () => clickHandler(btn.textContent);
});
#sizes {
width: 100%;
display: block;
overflow: auto;
}
#sizes button {
float: left;
margin: 15px;
padding: 15px;
border: 1px solid black;
background: white;
box-sizing: border-box;
width: calc(33.33% - 30px);
}
#app {
height: 100vh;
background: #eee;
}
#app.desktop {
width: 960px;
}
#app.tablet {
width: 700px;
}
#app.mobile {
width: 320px;
}
.col-2 {
display: block;
overflow: auto;
}
.col-2>* {
float: left;
width: calc(50% - 30px);
padding: 15px;
margin: 15px;
box-sizing: border-box;
border: 1px solid black;
}
/* Just for a demo */
#redBlock {
background: red;
height: 100px;
width: 75%;
}
<!-- UIkit CSS -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/css/uikit.min.css" />
<!-- UIkit JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/js/uikit.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.0-rc.25/js/uikit-icons.min.js"></script>
<div id="sizes">
<button>Desktop</button>
<button>Tablet</button>
<button>Mobile</button>
</div>
<div id="app" class="desktop">
<div class="col-2">
<p>Hello</p>
<p>World!</p>
</div>
<div id="redBlock"></div>
<div uk-slider>
<div class="uk-position-relative uk-visible-toggle uk-light">
<ul id="mySlider" class="uk-slider-items uk-child-width-1-4">
<li>
<img src="https://getuikit.com/docs/images/slider1.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>1</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider2.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>2</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider3.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>3</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider4.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>4</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider5.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>5</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider1.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>6</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider2.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>7</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider3.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>8</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider4.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>9</h1>
</div>
</li>
<li>
<img src="https://getuikit.com/docs/images/slider5.jpg" alt="">
<div class="uk-position-center uk-panel">
<h1>10</h1>
</div>
</li>
</ul>
<a class="uk-position-center-left uk-position-small uk-hidden-hover" href="#" uk-slidenav-previous uk-slider-item="previous"></a>
<a class="uk-position-center-right uk-position-small uk-hidden-hover" href="#" uk-slidenav-next uk-slider-item="next"></a>
</div>
<ul class="uk-slider-nav uk-dotnav uk-flex-center uk-margin"></ul>
</div>
</div>
关于javascript - 如何使 html 元素响应其父视口(viewport)而不是浏览器视口(viewport)?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53987489/