Any solutions for applying the '.active' class to the initial slide in a Bootstrap 4 Carousel?

Currently, I am facing a challenge while incorporating a Bootstrap 4 Carousel on my website:

The issue arises from the fact that the Carousel requires the .active class to be applied to the first slide in order for it to function properly. In my CMS setup, I have utilized a single template file for all slides, each containing dynamic content, which allows for an unlimited number of slides. However, I am unable to designate the initial slide with the .active class without it being applied to all subsequent slides and causing a disruption in the carousel's functionality.

While I could use JQuery to add the class specifically to the first slide, I am exploring alternative solutions as I believe this limitation may be an oversight in Bootstrap's design.

Is there a workaround or solution available for this situation?

jquerycsstwitter-bootstrap

Answer №1

If you want to make an element active using jQuery, you can simply add the class "active." Here's how:

$(document).ready(function () {
  $('#myCarousel').find('.item').first().addClass('active');
});
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Carousel Example</h2>  
  <div id="myCarousel" class="carousel slide" data-ride="carousel">
    <!-- Indicators -->
    <ol class="carousel-indicators">
      <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
      <li data-target="#myCarousel" data-slide-to="1"></li>
      <li data-target="#myCarousel" data-slide-to="2"></li>
    </ol>

    <!-- Wrapper for slides -->
    <div class="carousel-inner">
      <div class="item">
        <img src="http://cableandmedia.com/pnnm/assets/images/hospital/hos6.jpg" alt="Los Angeles" style="width:100%;">
      </div>

      <div class="item">
        <img src="http://cableandmedia.com/pnnm/assets/images/hospital/hos4.jpg" alt="Chicago" style="width:100%;">
      </div>
    
      <div class="item">
        <img src="http://cableandmedia.com/pnnm/assets/images/hospital/hos7.jpg" alt="New york" style="width:100%;">
      </div>
    </div>

    <!-- Left and right controls -->
    <a class="left carousel-control" href="#myCarousel" data-slide="prev">
      <span class="glyphicon glyphicon-chevron-left"></span>
      <span class="sr-only">Previous</span>
    </a>
    <a class="right carousel-control" href="#myCarousel" data-slide="next">
      <span class="glyphicon glyphicon-chevron-right"></span>
      <span class="sr-only">Next</span>
    </a>
  </div>
</div>

</body>
</html>

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