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- <!DOCTYPE html>
- <html>
- <title>W3.CSS</title>
- <meta name="viewport" content="width=device-width, initial-scale=1">
- <link rel="stylesheet" href="/lib/w3.css">
- <style>
- .mySlides {display:none}
- </style>
- <body>
- <div class="w3-container">
- <h2>Slideshow Indicators</h2>
- <p>An example of using buttons to indicate how many slides there are in the slideshow, and which slide the user is currently viewing.</p>
- </div>
- <div class="w3-content" style="max-width:800px">
- <img class="mySlides" src="img_nature_wide.jpg" style="width:100%">
- <img class="mySlides" src="img_fjords_wide.jpg" style="width:100%">
- <img class="mySlides" src="img_mountains_wide.jpg" style="width:100%">
- </div>
- <div class="w3-center">
- <div class="w3-section">
- <button class="w3-button" onclick="plusDivs(-1)">? Prev</button>
- <button class="w3-button" onclick="plusDivs(1)">Next ?</button>
- </div>
- <button class="w3-button demo" onclick="currentDiv(1)">1</button>
- <button class="w3-button demo" onclick="currentDiv(2)">2</button>
- <button class="w3-button demo" onclick="currentDiv(3)">3</button>
- </div>
- <script>
- var slideIndex = 1;
- showDivs(slideIndex);
- function plusDivs(n) {
- showDivs(slideIndex += n);
- }
- function currentDiv(n) {
- showDivs(slideIndex = n);
- }
- function showDivs(n) {
- var i;
- var x = document.getElementsByClassName("mySlides");
- var dots = document.getElementsByClassName("demo");
- if (n > x.length) {slideIndex = 1}
- if (n < 1) {slideIndex = x.length}
- for (i = 0; i < x.length; i++) {
- x[i].style.display = "none";
- }
- for (i = 0; i < dots.length; i++) {
- dots[i].className = dots[i].className.replace(" w3-red", "");
- }
- x[slideIndex-1].style.display = "block";
- dots[slideIndex-1].className += " w3-red";
- }
- </script>
- </body>
- </html>
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