Bootstrap Carousel W3schools Code Example


Example: how to add carousel in javascript

<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> * {box-sizing: border-box} body {font-family: Verdana, sans-serif; margin:0} .mySlides {display: none} img {vertical-align: middle;}  /* Slideshow container */ .slideshow-container {   max-width: 1000px;   position: relative;   margin: auto; }  /* Next & previous buttons */ .prev, .next {   cursor: pointer;   position: absolute;   top: 50%;   width: auto;   padding: 16px;   margin-top: -22px;   color: white;   font-weight: bold;   font-size: 18px;   transition: 0.6s ease;   border-radius: 0 3px 3px 0;   user-select: none; }  /* Position the "next button" to the right */ .next {   right: 0;   border-radius: 3px 0 0 3px; }  /* On hover, add a black background color with a little bit see-through */ .prev:hover, .next:hover {   background-color: rgba(0,0,0,0.8); }  /* Caption text */ .text {   color: #f2f2f2;   font-size: 15px;   padding: 8px 12px;   position: absolute;   bottom: 8px;   width: 100%;   text-align: center; }  /* Number text (1/3 etc) */ .numbertext {   color: #f2f2f2;   font-size: 12px;   padding: 8px 12px;   position: absolute;   top: 0; }  /* The dots/bullets/indicators */ .dot {   cursor: pointer;   height: 15px;   width: 15px;   margin: 0 2px;   background-color: #bbb;   border-radius: 50%;   display: inline-block;   transition: background-color 0.6s ease; }  .active, .dot:hover {   background-color: #717171; }  /* Fading animation */ .fade {   -webkit-animation-name: fade;   -webkit-animation-duration: 1.5s;   animation-name: fade;   animation-duration: 1.5s; }  @-webkit-keyframes fade {   from {opacity: .4}    to {opacity: 1} }  @keyframes fade {   from {opacity: .4}    to {opacity: 1} }  /* On smaller screens, decrease text size */ @media only screen and (max-width: 300px) {   .prev, .next,.text {font-size: 11px} } </style> </head> <body>  <div class="slideshow-container">  <div class="mySlides fade">   <div class="numbertext">1 / 3</div>   <img src="img_nature_wide.jpg" style="width:100%">   <div class="text">Caption Text</div> </div>  <div class="mySlides fade">   <div class="numbertext">2 / 3</div>   <img src="img_snow_wide.jpg" style="width:100%">   <div class="text">Caption Two</div> </div>  <div class="mySlides fade">   <div class="numbertext">3 / 3</div>   <img src="img_mountains_wide.jpg" style="width:100%">   <div class="text">Caption Three</div> </div>  <a class="prev" onclick="plusSlides(-1)">&#10094;</a> <a class="next" onclick="plusSlides(1)">&#10095;</a>  </div> <br>  <div style="text-align:center">   <span class="dot" onclick="currentSlide(1)"></span>    <span class="dot" onclick="currentSlide(2)"></span>    <span class="dot" onclick="currentSlide(3)"></span>  </div>  <script> var slideIndex = 1; showSlides(slideIndex);  function plusSlides(n) {   showSlides(slideIndex += n); }  function currentSlide(n) {   showSlides(slideIndex = n); }  function showSlides(n) {   var i;   var slides = document.getElementsByClassName("mySlides");   var dots = document.getElementsByClassName("dot");   if (n > slides.length) {slideIndex = 1}       if (n < 1) {slideIndex = slides.length}   for (i = 0; i < slides.length; i++) {       slides[i].style.display = "none";     }   for (i = 0; i < dots.length; i++) {       dots[i].className = dots[i].className.replace(" active", "");   }   slides[slideIndex-1].style.display = "block";     dots[slideIndex-1].className += " active"; } </script>  </body> </html>

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