Bootstrap Collapse - Explain Bootstrap's collapsing elements
Bootstrap Collapse
- Collapsible content, add the data-bs-toggle="collapse" attribute to an <a> or a <button> element.
- Click the buttons below to show and hide another element via class changes:
.collapsehides content..collapsingis applied during transitions..collapse.showshows content.
Sample Code
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="https://getbootstrap.com/docs/5.2/assets/css/docs.css" rel="stylesheet">
<title>Bootstrap Example</title>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body class="p-3 m-0 border-0 bd-example">
<p>
<a class="btn btn-primary" data-bs-toggle="collapse" href="#collapseExample" role="button" aria-expanded="false" aria-controls="collapseExample">
Link with href
</a>
<button class="btn btn-primary" type="button" data-bs-toggle="collapse" data-bs-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
Button with data-bs-target
</button>
</p>
<div class="collapse" id="collapseExample">
<div class="card card-body">
Now let’s see the example consider “www.wikitechy.com” is a website, which contains thousands of different pages, including this web page which you are reading now.
</div>
</div>
</body>
</html>
Output
Bootstrap Collapse Horizontal
- Add the
.collapse-horizontalmodifier class to transition the width instead of height and set a width on the immediate child element.
Sample Code
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="https://getbootstrap.com/docs/5.2/assets/css/docs.css" rel="stylesheet">
<title>Bootstrap Example</title>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body class="p-3 m-0 border-0 bd-example">
<p>
<button class="btn btn-primary collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseWidthExample" aria-expanded="false" aria-controls="collapseWidthExample">
Toggle width collapse
</button>
</p>
<div style="min-height: 120px;">
<div class="collapse-horizontal collapse" id="collapseWidthExample" style="">
<div class="card card-body" style="width: 300px;">
Now let’s see the example consider “www.wikitechy.com” is a website, which contains thousands of different pages, including this web page which you are reading now.
</div>
</div>
</div>
</body>
</html>
Output
Bootstrap Collapse Multiple targets
- A <button> or <a> can show and hide multiple elements by referencing them with a selector in its href or data-bs-target attribute. Multiple <button> or <a> can show and hide an element if they each reference it with their href or data-bs-target attribute
Sample Code
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="https://getbootstrap.com/docs/5.2/assets/css/docs.css" rel="stylesheet">
<title>Bootstrap Example</title>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body class="p-3 m-0 border-0 bd-example">
<p>
<a class="btn btn-primary collapsed" data-bs-toggle="collapse" href="#multiCollapseExample1" role="button" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle first element</a>
<button class="btn btn-primary collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#multiCollapseExample2" aria-expanded="false" aria-controls="multiCollapseExample2">Toggle second element</button>
<button class="btn btn-primary collapsed" type="button" data-bs-toggle="collapse" data-bs-target=".multi-collapse" aria-expanded="false" aria-controls="multiCollapseExample1 multiCollapseExample2">Toggle both elements</button>
</p>
<div class="row">
<div class="col">
<div class="multi-collapse collapse" id="multiCollapseExample1" style="">
<div class="card card-body">
Some placeholder content for the first collapse component of this multi-collapse example. This panel is hidden by default but revealed when the user activates the relevant trigger.
</div>
</div>
</div>
<div class="col">
<div class="multi-collapse collapse" id="multiCollapseExample2" style="">
<div class="card card-body">
Now let’s see the example consider “www.wikitechy.com” is a website, which contains thousands of different pages, including this web page which you are reading now.
</div>
</div>
</div>
</div>
</body>
</html>
Output
