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Carousel hmanga siam a ni

Carousel ang chi element—image emaw, thuziak slide emaw—a cycle-a kal theihna tur slideshow component.

He page ah hian

A hnathawh dan

Carousel hi content hrang hrang cycle-a kal theihna slideshow a ni a, CSS 3D transform leh JavaScript tlem hmanga siam a ni. Image, text emaw custom markup emaw series hmangin a thawk thei. Control leh indicator hmasa/a awm tawhte thlawpna a keng tel bawk.

Page Visibility API support -na browser-ah chuan webpage chu user-in a hmuh theih loh hunah (browser tab a inactive lai te, browser window a minimized lai te, etc. ang chi te) hian carousel chu a slide loh ang.

He component hian animation effect hi prefers-reduced-motionmedia query ah a innghat a ni. Kan accessibility documentation a reduced motion tih hi en la .

Nested carousel te hi an support lo tih hre reng ang che, carousel te hi a tlangpuiin accessibility standards an zawm lo tih hre reng ang che.

Entirna

Carousel hian slide dimension chu a normalize nghal vek lo. Chutiang a nih avang chuan, content size dik tak siam turin utility dang emaw custom style dang emaw i hmang a ngai mai thei. Carousel hian control leh indicator hmasa/a awm tawhte a support laiin, chiang takin a mamawh lo. I duh angin add la, customize rawh.

Class chu .activeslide pakhatah dah belh a ngai a nih loh chuan carousel chu a lang lo ang. idTin, optional controls atan unique on the set ngei ang che .carousel, a bik takin page khata carousel tam tak i hman chuan. Control leh indicator element te hian data-bs-targetattribute (or for links) an neih a ngai a, chu chu element hrefnen a inmil tur a ni.id.carousel

Slides chauh a awm

Hetah hian carousel pakhat slide chauh awmna a awm. Browser default image alignment awm loh nan carousel images-a .d-blockleh awm chu chhinchhiah ang che ..w-100

<div id="carouselExampleSlidesOnly" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
</div>

Controls te nen

Control hmasa leh dang ah te dah belh. Element hman kan rawt <button>a, mahse .<a>role="button"

<div id="carouselExampleControls" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleControls" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleControls" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Indicator te nen

Carousel-ah hian indicator te pawh i dah thei bawk a, controls te nen pawh.

<div id="carouselExampleIndicators" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Caption te nen

I slide-ah awlsam takin caption dah la, .carousel-captionelement awmin any .carousel-item. Viewport tenau zawkah awlsam takin an thup thei a, a hnuaia kan hmuh ang hian, optional display utilities hmangin an thup thei bawk . A tir lamah chuan kan thup a .d-none, medium-sized device-ah kan rawn hruai kir leh a, .d-md-block.

<div id="carouselExampleCaptions" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>First slide label</h5>
        <p>Some representative placeholder content for the first slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Second slide label</h5>
        <p>Some representative placeholder content for the second slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Third slide label</h5>
        <p>Some representative placeholder content for the third slide.</p>
      </div>
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Crossfade a ni

.carousel-fadeSlide ni lovin fade transition hmanga slide animate turin i carousel ah dah la .

<div id="carouselExampleFade" class="carousel slide carousel-fade" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleFade" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleFade" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Add data-bs-interval=""to a .carousel-itemto the next item-a automatic-a cycling inkara delay hun tur thlak tur.

<div id="carouselExampleInterval" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active" data-bs-interval="10000">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item" data-bs-interval="2000">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleInterval" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleInterval" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Touch swiping kha tihtawp theih a ni

Carousels hian touchscreen device-a slide inkara kal theihna turin left/right swipe a support a ni. data-bs-touchHei hi attribute hmangin disable theih a ni . data-bs-rideA hnuaia entirnan hian attribute a huam lo a, a nei bawk a data-bs-interval="false", chuvang chuan autoplay a nei lo.

<div id="carouselExampleControlsNoTouching" class="carousel slide" data-bs-touch="false" data-bs-interval="false">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleControlsNoTouching" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleControlsNoTouching" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Dark variant a ni

Control, indicator leh caption thim zawkte tan chuan add .carousel-darkto the ah hian dah rawh. .carouselControls te chu an default white fill atang khan filterCSS property hmangin an invert tawh a. Caption leh control ah hian Sass variable dang a awm a, chu chuan colorleh background-color.

<div id="carouselExampleDark" class="carousel carousel-dark slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active" data-bs-interval="10000">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>First slide label</h5>
        <p>Some representative placeholder content for the first slide.</p>
      </div>
    </div>
    <div class="carousel-item" data-bs-interval="2000">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Second slide label</h5>
        <p>Some representative placeholder content for the second slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Third slide label</h5>
        <p>Some representative placeholder content for the third slide.</p>
      </div>
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleDark" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleDark" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Custom hmanga inthlak danglamna

Transition duration of hi compiling hmain Sass variable hmangin i .carousel-itemthlak thei a , compiled CSS i hman chuan custom styles hmangin i thlak thei bawk. $carousel-transition-durationMultiple transition hman a nih chuan transform transition chu define hmasa phawt tur a ni (eg. transition: transform 2s ease, opacity .5s ease-out).

Sass a ni

Variables te pawh a awm

$carousel-control-color:             $white;
$carousel-control-width:             15%;
$carousel-control-opacity:           .5;
$carousel-control-hover-opacity:     .9;
$carousel-control-transition:        opacity .15s ease;

$carousel-indicator-width:           30px;
$carousel-indicator-height:          3px;
$carousel-indicator-hit-area-height: 10px;
$carousel-indicator-spacer:          3px;
$carousel-indicator-opacity:         .5;
$carousel-indicator-active-bg:       $white;
$carousel-indicator-active-opacity:  1;
$carousel-indicator-transition:      opacity .6s ease;

$carousel-caption-width:             70%;
$carousel-caption-color:             $white;
$carousel-caption-padding-y:         1.25rem;
$carousel-caption-spacer:            1.25rem;

$carousel-control-icon-width:        2rem;

$carousel-control-prev-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/></svg>");
$carousel-control-next-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/></svg>");

$carousel-transition-duration:       .6s;
$carousel-transition:                transform $carousel-transition-duration ease-in-out; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)

$carousel-dark-indicator-active-bg:  $black;
$carousel-dark-caption-color:        $black;
$carousel-dark-control-icon-filter:  invert(1) grayscale(100);

Hman dan tur

Data attribute hmangin a ni

Carousel awmna hmun awlsam taka control turin data attribute hmang rawh. data-bs-slidekeywords prevor next, chu a pawm a, chu chuan slide awmna chu a awmna hmun nen khaikhin chuan a thlak danglam a ni. A dang pawhin, data-bs-slide-toraw slide index chu carousel-ah pass turin hmang la data-bs-slide-to="2", chu chuan slide awmna chu index bik pakhatah a sawn a, chu chu 0.

data-bs-ride="carousel"Attribute hi page load atanga tan carousel chu animating anga mark nan hman a ni . data-bs-ride="carousel"I carousel initialize nan i hmang lo a nih chuan nangmah ngeiin i initialize a ngai a ni. Carousel khata (redundant leh a tul lo) explicit JavaScript initialization nen hman dun theih a ni lo.

JavaScript hmangin

Carousel chu manual-in call la, hetiang hian:

var myCarousel = document.querySelector('#myCarousel')
var carousel = new bootstrap.Carousel(myCarousel)

Thil thlan theih a ni

Options chu data attribute emaw JavaScript hmangin pass theih a ni. Data attribute atan chuan option hming chu , ah hian append la data-bs-, data-bs-interval="".

Hming Lampang Hlawhchhamna Hrilhfiahna
interval a zat 5000 Item pakhat automatic-a cycle-a tihkhawtlai hun chhung. If false, carousel chu automatic in a cycle dawn lo.
keyboard boolean a ni true Keyboard thil thlengah carousel hian a chhan let tur em tih.
pause string | boolean a ni 'hover'

A set a nih chuan 'hover'carousel on cycling chu a pause a, carousel on mouseentercycling chu a chhunzawm leh mouseleaveang. -a dah a nih chuan falsecarousel chunga hovering hian a pause dawn lo.

Touch-enabled device-ah chuan -a set a nih chuan 'hover', cycling chu touchendinterval hnih chhung (user-in carousel nena a inbiak zawh chuan) a pause ang a, chutah chuan automatic-in a chhunzawm leh ang. Hei hi a chunga mouse awm dan bakah a ni tih hre reng ang che.
ride string | boolean a ni false User-in item hmasa ber chu manual-a a cycle hnuah carousel chu a autoplay leh thin. -a set a nih chuan 'carousel'carousel chu load laiin a autoplay ang.
wrap boolean a ni true Carousel chu cycle chhunzawm zel tur nge hard stop neih tur tih.
touch boolean a ni true Carousel hian touchscreen device-a left/right swipe interaction a support tur em tih.

Thiltih dan tur

Asynchronous method leh inthlak danglamna te

API method zawng zawng hi asynchronous a ni a , transition a tan vek a ni . Transition an tan veleh mahse a tawp hmain call tu hnenah an kir leh thin . Chu bakah, transitioning component-a method call chu ngaihthah a ni ang .

Hriat belh duh chuan kan JavaScript documentation en rawh .

Carousel constructor hmangin carousel instance i siam thei a, entirnan, option dang hmanga initialize tur leh item hrang hrang hmanga cycling tan tur:

var myCarousel = document.querySelector('#myCarousel')
var carousel = new bootstrap.Carousel(myCarousel, {
  interval: 2000,
  wrap: false
})
Tihdan Hrilhfiahna
cycle Carousel thilte chu veilam atanga dinglam thlengin a cycle a.
pause Carousel chu thil kal tlanga cycle a kal theih loh nan a titawp.
prev Item hmasa lam chu a cycle a. Item hmasa a lan hmain (eg, event a thlen hmain) caller hnenah a kir leh thin .slid.bs.carousel
next Item dang a cycle a. Item dang a lan hmain (eg, event a thlen hmain) caller hnenah a kir leh thin .slid.bs.carousel
nextWhenVisible Page hmuh theih loh emaw, carousel emaw a nu leh pa emaw hmuh theih loh hunah carousel chu next-ah cycle suh. Target item a lan hmain caller hnenah a kir leh thin
to Carousel chu frame pakhatah a cycle (0 based, array ang chi). Target item a lan hmain (eg, event a thlen hmain) caller hnenah a kir leh thin .slid.bs.carousel
dispose Element pakhat carousel a tichhia. (DOM element-a data dahkhawmte a paih chhuak)
getInstance Static method hmanga DOM element nena inzawm carousel instance hmuh theihna tur, hetiang hian i hmang thei ang:bootstrap.Carousel.getInstance(element)
getOrCreateInstance Static method chu DOM element nena inzawm carousel instance rawn pe chhuak emaw, initialised a nih loh chuan a thar siam emaw a ni. Hetiang hian i hmang thei ang:bootstrap.Carousel.getOrCreateInstance(element)

Thil thlengte

Bootstrap-a carousel class hian carousel functionality-a hooking-na tur event pahnih a pholang a ni. Event pahnih hian a hnuaia additional property te hi an nei vek a ni:

  • direction: Carousel a tlan chhuahna lam (either "left"or "right").
  • relatedTarget: Active item anga a hmuna slid tur DOM element.
  • from: Tuna thil awm mek index a ni
  • to: Item lo awm tur index a ni

Carousel event zawng zawng hi carousel ngeiah (ie at the <div class="carousel">).

Event chi hrang hrang Hrilhfiahna
slide.bs.carousel slideInstance method invoke a nih chuan a kang nghal vek .
slid.bs.carousel Carousel chuan a slide transition a zawh hunah kah chhuak thin. 
var myCarousel = document.getElementById('myCarousel')

myCarousel.addEventListener('slide.bs.carousel', function () {
  // do something...
})