Bootstrap 4 JS Carousel

Carousel CSS Classes

For a tutorial about Carousels, read our Bootstrap Carousel Tutorial.

Class	Description
.carousel	Creates a carousel
.carousel-indicators	Adds indicators for the carousel. These are the little dots at the bottom of each slide (which indicates how many slides there are in the carousel, and which slide the user are currently viewing)
.carousel-inner	Adds slides to the carousel
.carousel-item	Specifies the content of each slide
.carousel-control-prev	Adds a left (previous) button to the carousel, which allows the user to go back between the slides
.carousel-control-next	Adds a right (next) button to the carousel, which allows the user to go forward between the slides
.carousel-control-prev-icon	Used together with .carousel-control-prev to create a "previous" button
.carousel-control-next-icon	Used together with .carousel-control-next to create a "next" button
.carousel-caption	Specifies a caption for the carousel
.slide	Adds a CSS transition and animation effect when sliding from one item to the next. Remove this class if you do not want this effect

Try it Yourself »

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Via data-* Attributes

The data-ride="carousel" attribute activates the carousel.

The data-slide and data-slide-to attributes specifies which slide to go to.

The data-slide attribute accepts two values: prev or next, while data-slide-to accept numbers.

Example

<!-- Carousel -->
<div id="myCarousel" class="carousel slide" data-ride="carousel">

<!-- Carousel Indicators -->
<li data-target="#myCarousel" data-slide-to="1"></li>

<!-- Carousel Controls -->
<a class="carousel-control-prev" href="#myCarousel" data-slide="prev">
  <span class="carousel-control-prev-icon"></span>
</a>

Try it Yourself »

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Via JavaScript

Enable manually with:

Example

// Activate Carousel$("#myCarousel").carousel();

// Enable Carousel Indicators$(".item").click(function(){
  $("#myCarousel").carousel(1);
});

// Enable Carousel Controls$(".carousel-control-prev").click(function(){
  $("#myCarousel").carousel("prev");
});

Try it Yourself »

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Carousel Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-interval="".

Name	Type	Default	Description	Try it
interval	number, or the boolean false	5000	Specifies the delay (in milliseconds) between each slide. Note: Set interval to false to stop the items from automatically sliding	Using JSUsing data
keyboard	boolean	true	Specifies whether the carousel should react to keyboard events: true - the carousel can be navigated (next and previous) with the keyboard left and right arrows false - the carousel can NOT be navigated with the keyboard left and right arrows	Using JSUsing data
pause	string, or the boolean false	"hover"	Pauses the carousel from going through the next slide when the mouse pointer enters the carousel, and resumes the sliding when the mouse pointer leaves the carousel Note: Set pause to false to stop the ability to pause on hover	Using JSUsing data
wrap	boolean	true	Specifies whether the carousel should go through all slides continuously, or stop at the last slide true - cycle continuously false - stop at the last item	Using JSUsing data

Carousel Methods

The following table lists all available carousel methods.

Method	Description	Try it
.carousel(options)	Activates the carousel with an option. See options above for valid values	Try it
.carousel("cycle")	Goes through the carousel items from left to right	Try it
.carousel("pause")	Stops the carousel from going through items	Try it
.carousel(number)	Goes to a specified item (zero-based: first item is 0, second item is 1, etc..)	Try it
.carousel("prev")	Goes to the previous item	Try it
.carousel("next")	Goes to the next item	Try it
.carousel("dispose")	Destroys a carousel

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Carousel Events

The following table lists all available carousel events.

Event	Description	Try it
slide.bs.carousel	Occurs when the carousel is about to slide from one item to another	Try it
slid.bs.carousel	Occurs when the carousel has finished sliding from one item to another	Try it

The slid and slide events also has additional properties:

Property	Description	Try it
direction	Returns the direction the carousel is sliding (left or right)
relatedTarget	Returns the DOM element that is being slid into place as the active item	Try it
from	Returns the index of where the previous item came from, when moving on to the next one	Try it
to	Returns the index of the next item	Try it

Credit: www.w3schools.com