4.4 KiB
| title |
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| Carousel |
Carousel
Carousel is a slideshow component for cycling through elements like images or slides of text. It provides a dynamic way of representing large amount of data (text or images) by sliding or cycling through, in a smooth fashion
Sample Code of Image Slider is below :
<html>
<head>
<!-- BootStrap's minified CSS version -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
</head>
<style>
.carousel-indicators li
{
background-color:red;
}
.carousel-indicators .active
{
background-color:blue;
}
.carousel-indicators .item
{
height:700 px;
width :800 px;
}
</style>
<body>
<!-- Declaring div for Carousel to appear inside it -->
<div class="container">
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1" ></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<!-- Wrapper for Slides -->
<div class="carousel-inner">
<div class="item active">
<img src="http://res.cloudinary.com/dneh1l9vl/image/upload/v1506241850/Hello_bootstrap_ohtphr.png" alt="Hello_Bootstrap" >
</div>
<div class="item">
<img src="http://res.cloudinary.com/dneh1l9vl/image/upload/v1506613859/devices_bootstrap_nk4zlk.jpg" alt="Device_Bootstrap" >
</div>
<div class="item">
<img src="http://res.cloudinary.com/dneh1l9vl/image/upload/v1506613966/responsive_bootstrap_nzuo9l.jpg" alt="Responsive_Bootstrap">
</div>
</div>
<!-- Left and Right Controls for sliding through the slides -->
<a class="left carousel-control" href="#myCarousel" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
</a>
<a class="right carousel-control" href="#myCarousel" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
</a>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
</body>
</html>
Understanding the Attributes and classes used in above example :
1) Attributes
a) data-ride :- data-ride ="carousel" allows on page load animation to begin.
b) data-target :- It points to the id of the Carousel
c) data-slide-to :- It specifies which slide to move on to when clicking on the indicators(specific dots).
2) Classes
a) carousel :- class="carousel" specifies that the div contains carousel.
b) slide :- This class adds CSS transitions.
c) carousel-inner :- This denotes the section of code which will hold the text/image to be displayed in slides.
d) item :- It refers to the content to be displayed in the carousel.
e) left carousal-control :- This adds the back button allowing sliding to the previous slide.
f) right carousal-control :- This adds the next button allowing sliding to the next slide.
g) carousel-caption :- This class let you add captions to each slide.
Note: Add class="carousel-caption" for each item.
Usage
1) Via data attributes
The data-ride="carousel" attribute is used to mark a carousel as animating starting at page load.
data-slide accepts the keywords prev or next, which alters the slide position relative to its current position.
2) Via JavaScript
Call carousel manually with:
$('.carousel').carousel()
Options
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-interval="".
Some frequently used options are:
- interval
- pause
- ride
- wrap