In my React Project, I need to show a modal for mobile screen where it needs to cover all the screen and block scrolling for the content beneath. I tried to make overflow-y: hidden for body through useEffect when modal shows up, but I consider it not an ideal approach as I need a CSS only solution. Then I watched bootstrap modals already doing so only with CSS.
Here is the code:
<!DOCTYPE html>
<html>
<head>
<title>Parcel Sandbox</title>
<meta charset="UTF-8" />
<link
href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3"
crossorigin="anonymous"
/>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-4"></div>
<div class="col-4">
<!-- Button trigger modal -->
<button
type="button"
class="btn btn-primary"
data-bs-toggle="modal"
data-bs-target="#exampleModal"
>
Launch demo modal
</button>
<p>
"Sed ut perspiciatis unde omnis iste natus error sit voluptatem
accusantium doloremque laudantium, totam rem aperiam, eaque ipsa
quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit
aspernatur aut odit aut fugit, sed quia consequuntur magni dolores
eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est,
qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit,
sed quia non numquam eius modi tempora incidunt ut labore et dolore
magnam aliquam quaerat voluptatem. Ut enim ad minima veniam, quis
nostrum exercitationem ullam corporis suscipit laboriosam, nisi ut
aliquid ex ea commodi consequatur? Quis autem vel eum iure
reprehenderit qui in ea voluptate velit esse quam nihil molestiae
consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla
pariatur?"
</p>
<!-- Modal -->
<div
class="modal fade"
id="exampleModal"
tabindex="-1"
aria-labelledby="exampleModalLabel"
aria-hidden="true"
>
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">
Modal title
</h5>
<button
type="button"
class="btn-close"
data-bs-dismiss="modal"
aria-label="Close"
></button>
</div>
<div class="modal-body">
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Nullam lacinia elit tempor suscipit tincidunt. Mauris ac
</p>
<select
class="form-select"
aria-label="Default select example"
>
<option selected>Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<div class="dropdown">
<button
class="btn btn-secondary dropdown-toggle"
type="button"
id="dropdownMenuButton1"
data-bs-toggle="dropdown"
aria-expanded="false"
>
Dropdown button
</button>
<ul
class="dropdown-menu"
aria-labelledby="dropdownMenuButton1"
>
<li><a class="dropdown-item" href="#">Action</a></li>
<li>
<a class="dropdown-item" href="#">Another action</a>
</li>
<li>
<a class="dropdown-item" href="#"
>Something else here</a
>
</li>
</ul>
</div>
</div>
<div class="modal-footer">
<button
type="button"
class="btn btn-secondary"
data-bs-dismiss="modal"
>
Close
</button>
<button type="button" class="btn btn-primary">
Save changes
</button>
</div>
</div>
</div>
</div>
</div>
<div class="col-4"></div>
</div>
</div>
<script
src="https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/dist/umd/popper.min.js"
integrity="sha384-7+zCNj/IqJ95wo16oMtfsKbZ9ccEh31eOz1HGyDuCQ6wgnyJNSYdrPa03rtR1zdB"
crossorigin="anonymous"
></script>
<script
src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js"
integrity="sha384-QJHtvGhmr9XOIpI6YVutG+2QOK9T+ZnN4kzFN1RtK3zEFEIsxhlmWl5/YESvpZ13"
crossorigin="anonymous"
></script>
<script src="src/index.js"></script>
</body>
</html>
Can anyone please tell from above code that which bootstrap class is preventing from scrolling the content? Here is the codesandbox link for better demonstration: https://codesandbox.io/s/bootstrap-modal-locking-gryh94