[FIXED] how can i add active class to image slider dynamically in Django template?

Issue

i have an image slider which does not show anything if the image does not have active class on it as it slides through a list of images.

{% for v in m.value.images %}<div class="carousel-item active"> <div class="container">
    <div class="carousel-caption">
      <h1>Another example headline.</h1> </div></div>{% endfor %}

Solution

It seems like you're trying to create an image slider with a list of images. However, in your current code, all images are set to be active, which might not be the behavior you want.

Usually, in a carousel, only one item should be active at a time. The active class should be added to the first item initially, and then it should be moved to the next item when the user interacts with the slider.

Here's an example of how you might modify your code:

{% for v in m.value.images %}
<div class="carousel-item {% if forloop.first %}active{% endif %}">
  <div class="container">
    <div class="carousel-caption">
      <h1>Another example headline.</h1>
    </div>
  </div>
</div>
{% endfor %}

In this code, the forloop.first condition checks if the current item is the first item in the loop. If it is, it adds the active class to that item. For all other items, no active class is added. This means that initially, only the first image will be displayed, and the others will be hidden. As the user interacts with the slider, the active class can be moved to the next item to display the next image.

Answered By - rudro nil