Bootstrap 4 JS Carousel
Classi CSS a carosello
Per un tutorial sui caroselli, leggi il nostro tutorial sul carosello Bootstrap .
| 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 |
Via dati-* Attributi
L' data-ride="carousel"attributo attiva il carosello.
Gli attributi data-slidee data-slide-tospecificano a quale diapositiva andare.
L' data-slideattributo accetta due valori: prev o
next , mentre
data-slide-toaccetta numeri.
Esempio
<!-- 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>
Tramite JavaScript
Abilita manualmente con:
Esempio
// Activate Carousel
$("#myCarousel").carousel();
// Enable Carousel Indicators
$(".item").click(function(){
$("#myCarousel").carousel(1);
});
// Enable Carousel Controls
$(".carousel-control-prev").click(function(){
$("#myCarousel").carousel("prev");
});
Opzioni del carosello
Le opzioni possono essere passate tramite attributi di dati o JavaScript. Per gli attributi dei dati, aggiungi il nome dell'opzione a data-, come 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 |
|
| keyboard | boolean | true | Specifies whether the carousel should react to keyboard events:
|
|
| 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 |
|
| wrap | boolean | true | Specifies whether the carousel should go through all slides continuously, or stop at the last slide
|
Metodi del carosello
La tabella seguente elenca tutti i metodi del carosello disponibili.
| Method | Description | Try it |
|---|---|---|
| .carousel(options) | Activates the carousel with an option. See options above for valid values | |
| .carousel("cycle") | Goes through the carousel items from left to right | |
| .carousel("pause") | Stops the carousel from going through items | |
| .carousel(number) | Goes to a specified item (zero-based: first item is 0, second item is 1, etc..) | |
| .carousel("prev") | Goes to the previous item | |
| .carousel("next") | Goes to the next item | |
| .carousel("dispose") | Destroys a carousel |
Eventi carosello
La tabella seguente elenca tutti gli eventi del carosello disponibili.
| Event | Description | Try it |
|---|---|---|
| slide.bs.carousel | Occurs when the carousel is about to slide from one item to another | |
| slid.bs.carousel | Occurs when the carousel has finished sliding from one item to another |
Gli eventi diapositiva e diapositiva hanno anche proprietà aggiuntive:
| 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 | |
| from | Returns the index of where the previous item came from, when moving on to the next one | |
| to | Returns the index of the next item |