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javascript - 打开折叠时移动页面焦点

转载 作者:可可西里 更新时间:2023-11-01 13:42:30 26 4
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我有一个包含 3 张图片的网站,点击图片会在下方打开一个 collapse,其中包含一个 iframe 网站。单击图像时,我希望网站向下滚动到打开的 iframe。我只能找到 Accordion 的答案。

框架打开一个 3d 游览,当另一个打开时应该停止。我做了一个基本的代码笔,它使用虚拟图像并且只链接到一个旅游自动取款机。 https://codepen.io/jvern22/pen/BGzgjw

我的代码。带有 iframe 链接的图像,共有三个;

<div class="col-md-4 port-item">
<a href="" class="" data-toggle="collapse" data-target="#tour-duqesa">
<img src="assets/img/duqesa.jpg" alt="">
</a>
<h2 class="section-title-nomargin features-box">Duquesa</h2>
<h5 class="options-text"><a href="assets/tours/duquesashorttour/index.html" class="" target="_blank">Open in new window</h5></a>
</div>

iframe 的代码,同样,一共有三个;

  <div id="tour-duqesa" class="collapse">
<iframe height="600px" width="100%" src="assets/tours/duquesashorttour/index.html" name="iframe"></iframe>
</div>

我是新手,所以希望我的提问方式正确。

最佳答案

也许 Jquery 上的一些代码可以帮助解决您的需求。

首先,我们可以在打开可折叠元素的图像的click 事件上注册一个监听器,然后当其中一些被点击时,关闭当前的图像对用户可见。这将有助于一次只打开一个可折叠元素。下一个代码是:

// Register a click listener on the images that opens a collapsible element.

$("a[data-toggle='collapse']").click(function()
{
// Close all visibile collapse elements.
$(".collapse:visible").collapse('hide');
});

其次,当可折叠元素对用户完全可见时,它会触发下一个事件:shown.bs.collapse。所以我们可以在该事件上放置一个监听器,并使用下一个代码向下滚动到当前可见的可折叠对象:

$(".collapse").on("shown.bs.collapse", function()
{
var current = $(this);

// Scroll down to the current opened collapse element.

$([document.documentElement, document.body]).animate(
{scrollTop: current.offset().top},
1000
);
});

这里有一个可以运行的示例(检查全屏模式):

$(document).ready(function()
{
// Register a click listener on the images that opens a collapsible element.

$("a[data-toggle='collapse']").click(function()
{
// Close all visibile collapse elements.
$(".collapse:visible").collapse('hide');
});

// Register a listener for when a collapse element is made
// visible to the user (wait for animations transitions).

$(".collapse").on("shown.bs.collapse", function()
{
var current = $(this);

// Scroll down to the current opened collapse element.

$([document.documentElement, document.body]).animate(
{scrollTop: current.offset().top},
1000
);
});
});
box-sizing: border-box;

.display-iframe {
border: none;
}

.options-text {
font-size: 14px;
font-family: "Roboto Condensed", sans-serif;
text-transform: uppercase;
letter-spacing: 2px;
color: #000;
}
<script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>

<section id="tour-gallery">
<div class="container">

<div class="row">
<div class="col-sm-12 section-description wow fadeIn">
<h2 class="section-title">Have a look at what can be done</h2>
</div>

<div class="col-md-4 port-item">
<a href="#tour-duqesa" class="" data-toggle="collapse" data-target="#tour-duqesa">
<img src="https://dummyimage.com/350x186/000/fff" alt="">
</a>
<h2 class="section-title-nomargin features-box">Duquesa</h2>
</div>

<div class="col-md-4 port-item">
<a href="" class="" data-toggle="collapse" data-target="#tour-aldeahills1">
<img src="https://dummyimage.com/350x186/000/fff" alt="">
</a>
<h2 class="section-title-nomargin features-box">Aldea Hills</h2>
</div>

<div class="col-md-4 port-item">
<a href="" class="" data-toggle="collapse" data-target="#tour-aldeahills2">
<img src="https://dummyimage.com/350x186/000/fff" alt="">
</a>
<h2 class="section-title-nomargin features-box">Aldea Hills 2</h2>
</div>
</div>

<div id="tour-duqesa" class="collapse">
<iframe height="600px" width="100%" src="https://your360tours.com/test/assets/tours/duquesashorttour/index.html" name="iframe"></iframe>
</div>

<div id="tour-aldeahills1" class="collapse">
<iframe height="600px" width="100%" src="https://your360tours.com/test/assets/tours/duquesashorttour/index.html" name="iframe"></iframe>
</div>

<div id="tour-aldeahills2" class="collapse">
<iframe height="600px" width="100%" src="https://your360tours.com/test/assets/tours/duquesashorttour/index.html" name="iframe"></iframe>
</div>

</div>
</section>

此外,我也将代码推送到 codepen 上,但必须将 slim 版本的 JQuery 替换为完整版,否则animate() 不会被定义,这里有链接:

Codepen Example

关于javascript - 打开折叠时移动页面焦点,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53239396/

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