How can images inside Boostrap Carousel have the same width? - javascript

This is actually a copy paste from the bootstrap website, I have also tried many other things, and to be honest I am struggling to understand how can these pictures have the same size. If you click next on the carousel you will see that the height is always different!
So how can I do it? I have tried to change the properties of the inner carousel, the div that I created, the different divs, but nothing happens. Especially when I use my own images the size is always weird.
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<div class="justAContainer">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR5Ldsk48qcVYHL8b7hOl1kN1KMTQaE2oFlt34OkdrCELVLVZairaj4ros7uyKGQfhrTaQ&usqp=CAU" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://cdn.pixabay.com/photo/2015/04/23/22/00/tree-736885__340.jpg" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRY8OmOh5BYsSROeZ2ZLdOD-s1IlDe9JyF08hRqKXZX_79JiXT00FAuM1lO0PS3roGwQiw&usqp=CAU" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<!-- Left and right controls -->
<a class="left carousel-control" href="#startingPageCarousel" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#startingPageCarousel" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
</div>
<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/1.12.9/umd/popper.min.js"
integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
crossorigin="anonymous"></script>
</body>
</html>


There is a class w-100 in every image which is bootstrap default class for width: 100%. So it will automatically take full width. If you want the heights same, there are 2 ways for it. (1) You must update same width and height images or make the background-image and give the div width:100% and specify its height.
Thanks me later.
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css" rel="stylesheet"/>
<div class="justAContainer">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR5Ldsk48qcVYHL8b7hOl1kN1KMTQaE2oFlt34OkdrCELVLVZairaj4ros7uyKGQfhrTaQ&usqp=CAU" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://cdn.pixabay.com/photo/2015/04/23/22/00/tree-736885__340.jpg" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRY8OmOh5BYsSROeZ2ZLdOD-s1IlDe9JyF08hRqKXZX_79JiXT00FAuM1lO0PS3roGwQiw&usqp=CAU" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<!-- Left and right controls -->
<a class="left carousel-control" href="#startingPageCarousel" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#startingPageCarousel" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
<span class="sr-only">Next</span>
</a>
</div>

Related

Bootstrap 4 last version Carousal buttons is not working

my next/prev buttons are not working. Can someone help me. Thanks!I am new to coding I have researched a bunch and tried different things but nothing is working.
<section class="section-main">
<div class="container">
<div class="row">
<div class="col-md-8">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="d-block img-fluid" src="img/slide1.jpg" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/slide2.jpg" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/slide3.jpg" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<div class="col-md-4">
</div>
</div>
</div>

try adding the required javascript libraries that Bootstrap uses in between the head tags at the top of your html file.
<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>
An example of what the full html file would look like with the above libraries inbetween the head tags.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
<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>
</head>
<body>
<section class="section-main">
<div class="container">
<div class="row">
<div class="col-md-8">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="d-block img-fluid" src="img/slide1.png" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/slide2.png" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/slide3.png" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<div class="col-md-4">
</div>
</div>
</div>
</div>
</section>
</body>
</html>
A link to the documentation Bootstrap provides explaining how to get started.
https://getbootstrap.com/docs/4.0/getting-started/introduction/
I hope this helps

I created an example on codepen based on bootstrap document
The example demonstrates html, css, js codes to make the carousel work.
$('.carousel').carousel()
Please double check if you add required libraries including
jquery,
bootstrap.js
bootstrap.css.
I added them through Pen Settings.

Why will my bootstrap 3.7 carousel not work?

I've been following a guide on how to implement this feature of bootstrap and for the life of me I can't figured out why it isn't working. I have all of the CDNs linked in my header and the Js Script linked. All of them are directly copied from the bootstrap website.
<div id="productCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#productCarousel" data-slide-to="0" class="active"></li>
<li data-target="#productCarousel" data-slide-to="1"></li>
<li data-target="#productCarousel" data-slide-to="2"></li>
<li data-target="#productCarousel" data-slide-to="3"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="../../static/images/city.jpg">
</div>
<div class="item">
<img src="../../static/images/city.jpg">
</div>
<div class="item">
<img src="../../static/images/city.jpg">
</div>
<div class="item">
<img src="../../static/images/city.jpg">
</div>
</div>
<a class="left carousel-control" href="#productCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#productCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>

I checked your code an everything works fine.
Check how you embed the libraries.
Boostrap CSS
jQuery
Bootstrap JS
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<div id="productCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#productCarousel" data-slide-to="0" class="active"></li>
<li data-target="#productCarousel" data-slide-to="1"></li>
<li data-target="#productCarousel" data-slide-to="2"></li>
<li data-target="#productCarousel" data-slide-to="3"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="http://placehold.it/800x400">
</div>
<div class="item">
<img src="http://placehold.it/800x400">
</div>
<div class="item">
<img src="http://placehold.it/800x400">
</div>
<div class="item">
<img src="http://placehold.it/800x400">
</div>
</div>
<a class="left carousel-control" href="#productCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#productCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>

The pictures in my carousel that I am using do not fit the entire screen

I am using a carousel that I integrated into my website, but the pictures that I have aren't fitting the entire screen. I tried fixing the width, but nothing is changing. My code is below, Plunk here http://plnkr.co/edit/vApBLJCMI6Z7G45qY80e?p=preview
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
</head>
<body>
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="carousel-item active" style="width:5000px">
<img class="d-block img-fluid" src="http://coolwildlife.com/wp-content/uploads/galleries/post-3004/Fox%20Picture%20003.jpg" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="http://ichef-1.bbci.co.uk/news/976/media/images/83351000/jpg/_83351965_explorer273lincolnshirewoldssouthpicturebynicholassilkstone.jpg" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="https://c1.staticflickr.com/2/1520/24330829813_944c817720_b.jpg" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</body>
</html>

Set .img-fluid to witdth: 100% or width: inherit. Then slider would be full width.
.img-fluid{
width: inherit;
}
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
</head>
<body>
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="d-block img-fluid" src="http://coolwildlife.com/wp-content/uploads/galleries/post-3004/Fox%20Picture%20003.jpg" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="http://ichef-1.bbci.co.uk/news/976/media/images/83351000/jpg/_83351965_explorer273lincolnshirewoldssouthpicturebynicholassilkstone.jpg" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="https://c1.staticflickr.com/2/1520/24330829813_944c817720_b.jpg" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
</body>
</html>
Here is a plunker for the above code http://plnkr.co/edit/EYf65WtH8nVh9Pwzyxl1?p=preview

Add active class for first item element

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
<li data-target="#carousel-example-generic" data-slide-to="1"></li>
<li data-target="#carousel-example-generic" data-slide-to="2"></li>
</ol>
<!-- Wrapper for slides -->
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="http://ichef.bbci.co.uk/news/976/cpsprodpb/87D3/production/_84817743_beckhamfashion.jpg" alt="...">
<div class="carousel-caption">
...
</div>
</div>
<div class="item">
<img src="http://ichef.bbci.co.uk/news/976/cpsprodpb/9949/production/_84814293_dummy.jpg" alt="...">
<div class="carousel-caption">
...
</div>
</div>
...
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</body>
</html>
I'm using bootstap carousel for example;
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="..." alt="...">
<div class="carousel-caption">
</div>
</div>
<div class="item">
<img src="..." alt="...">
<div class="carousel-caption">
...
</div>
</div>
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
and as you see my first .itemclass has .activeclass but I want to add it automatically when I remove .activeclass from .item class then javascript gave me this error: TypeError: Cannot read property 'offsetWidth' of undefined /works/anitur/js/bootstrap.min.js:6 and I tried to add with this code
$(".carousel > .item:first").addClass("active");
but nothing change how can I realize what I want ? and by the way is there any way to add carousel control with js not html ?

It is better practice to add classes for a carousel in HTML template itself. Why because the carousel plugins will rebuild the HTML after document is ready. However you can try the below code.
$(".carousel .item").first().addClass("active");

I have tried one by one, this code is the correct one to add active class for first item element
.
$(".carousel .item:first").addClass("active");
For more detail, See the red colored box and arrow in the picture.
You may check it as well in live version, here in the running code at JSFiddle

You should correct this
$(".carousel .item:first").addClass("active");

Bootstrap Carousel Issue: indicator click

My Carousel isn't working. The problem is that it's not moving next when I click on indicator. I also tried to include carousel.js but all in vain.
Here is snippet:
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<!-- Indicator-->
<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 of slide-->
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="../images/banner/slide1.jpg">
</div>
<div class="carousel-caption">
<h4>Find Your Agent Here</h4>
<a class="btn btn-info">Find Agent</a>
</div>
<div class="item">
<img src="../images/banner/slide2.jpg">
</div>
<div class="item">
<img src="../images/banner/slide3.jpg">
</div>
</div>
<!-- Carousel Controler-->
<a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div><!-- End of Carousel -->

This should help out.
http://getbootstrap.com/javascript/#carousel
You need to include jquery and bootstrap to use that plugin.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css" integrity="sha384-fLW2N01lMqjakBkx3l/M9EahuwpSfeNvV63J5ezn3uZzapT0u7EYsXMjQV+0En5r" crossorigin="anonymous">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS" crossorigin="anonymous"></script>
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<!-- Indicator-->
<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 of slide-->
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="http://www.gettyimages.pt/gi-resources/images/Homepage/Hero/PT/PT_hero_42_153645159.jpg">
</div>
<div class="carousel-caption">
<h4>Find Your Agent Here</h4>
<a class="btn btn-info">Find Agent</a>
</div>
<div class="item">
<img src="http://im.rediff.com/news/2016/mar/01smith1.jpg">
</div>
<div class="item">
<img src="http://www.gettyimages.ca/gi-resources/images/Homepage/Category-Creative/UK/UK_Creative_462809583.jpg">
</div>
</div>
<!-- Carousel Controler-->
<a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
<!-- End of Carousel -->

Categories