Вы можете попробовать что-то вроде этого.
$('#carouselExample').on('slide.bs.carousel', function (e) {
var $e = $(e.relatedTarget);
var idx = $e.index();
var itemsPerSlide = 4;
var totalItems = $('.carousel-item').length;
if (idx >= totalItems-(itemsPerSlide-1)) {
var it = itemsPerSlide - (totalItems - idx);
for (var i=0; i<it; i++) {
// append slides to end
if (e.direction=="left") {
$('.carousel-item').eq(i).appendTo('.carousel-inner');
}
else {
$('.carousel-item').eq(0).appendTo('.carousel-inner');
}
}
}
});
@media (min-width: 768px) {
/* show 3 items */
.carousel-inner .active,
.carousel-inner .active + .carousel-item,
.carousel-inner .active + .carousel-item + .carousel-item,
.carousel-inner .active + .carousel-item + .carousel-item + .carousel-item {
display: block;
}
.carousel-inner .carousel-item.active:not(.carousel-item-right):not(.carousel-item-left),
.carousel-inner .carousel-item.active:not(.carousel-item-right):not(.carousel-item-left) + .carousel-item,
.carousel-inner .carousel-item.active:not(.carousel-item-right):not(.carousel-item-left) + .carousel-item + .carousel-item,
.carousel-inner .carousel-item.active:not(.carousel-item-right):not(.carousel-item-left) + .carousel-item + .carousel-item + .carousel-item {
transition: none;
}
.carousel-inner .carousel-item-next,
.carousel-inner .carousel-item-prev {
position: relative;
transform: translate3d(0, 0, 0);
}
.carousel-inner .active.carousel-item + .carousel-item + .carousel-item + .carousel-item + .carousel-item {
position: absolute;
top: 0;
right: -25%;
z-index: -1;
display: block;
visibility: visible;
}
/* left or forward direction */
.active.carousel-item-left + .carousel-item-next.carousel-item-left,
.carousel-item-next.carousel-item-left + .carousel-item,
.carousel-item-next.carousel-item-left + .carousel-item + .carousel-item,
.carousel-item-next.carousel-item-left + .carousel-item + .carousel-item + .carousel-item,
.carousel-item-next.carousel-item-left + .carousel-item + .carousel-item + .carousel-item + .carousel-item {
position: relative;
transform: translate3d(-100%, 0, 0);
visibility: visible;
}
/* farthest right hidden item must be abso position for animations */
.carousel-inner .carousel-item-prev.carousel-item-right {
position: absolute;
top: 0;
left: 0;
z-index: -1;
display: block;
visibility: visible;
}
/* right or prev direction */
.active.carousel-item-right + .carousel-item-prev.carousel-item-right,
.carousel-item-prev.carousel-item-right + .carousel-item,
.carousel-item-prev.carousel-item-right + .carousel-item + .carousel-item,
.carousel-item-prev.carousel-item-right + .carousel-item + .carousel-item + .carousel-item,
.carousel-item-prev.carousel-item-right + .carousel-item + .carousel-item + .carousel-item + .carousel-item {
position: relative;
transform: translate3d(100%, 0, 0);
visibility: visible;
display: block;
visibility: visible;
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<div class="container-fluid">
<div id="carouselExample" class="carousel slide" data-ride="carousel" data-interval="9000">
<div class="carousel-inner row w-100 mx-auto" role="listbox">
<div class="carousel-item col-md-3 active">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
<div class="carousel-item col-md-3">
<div class="salesman-details">
<div class="salesman-update">
<img src=" . . .">
<h3><b> <a href="#">Kevin H.</a></b></h3>
<p>Skills <i class="fa fa-angle-double-right"></i><small>Digital Marketing, </small><small>Master Prospecting, </small><small>Closing Skill, </small><small>Recruitment Skill, </small></p>
<i class="fa fa-inr"></i><span> 7 Yrs Experience</span><br>
<i class="fa fa-map-marker"></i><span> Quezon City PH</span><br>
<p><i class="fa fa-star"></i><span> Rating 9/10</span> </p>
<div class="view-btn">
<button type="button" class="btn btn-primary">View Profile</button>
</div>
</div>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#carouselExample" role="button" data-slide="prev">
<i class="fa fa-chevron-left fa-lg text-danger"></i>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next text-faded" href="#carouselExample" role="button" data-slide="next">
<i class="fa fa-chevron-right fa-lg text-muted"></i>
<span class="sr-only">Next</span>
</a>
</div>
</div>