JSFiddle - React, Tailwind, and code Playground
by upsidown
HTML
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<div id="carouselDemo" class="carousel slide" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://via.placeholder.com/700x400">
</div>
<div class="carousel-item">
<img src="https://via.placeholder.com/800x400">
</div>
<div class="carousel-item">
<img src="https://via.placeholder.com/900x400">
</div>
</div>
<a class="carousel-control-prev" href="#carouselDemo" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselDemo" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
CSS
.carousel {
background-color: grey;
}
JavaScript
jQuery('#carouselDemo').on('slide.bs.carousel', function(e) {
console.log('SLIDE event');
console.log('Image width: ' + e.relatedTarget.querySelector('img').clientWidth);
});
jQuery('#carouselDemo').on('slid.bs.carousel', function(e) {
console.log('SLID event');
console.log('Image width: ' + e.relatedTarget.querySelector('img').clientWidth);
});