In this article we will learn about some of the frequently asked HTML programming questions in technical like “html auto slideshow” Code Answer’s. When creating scripts and web applications, error handling is an important part. If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. Error or stack handling on html was simple and easy. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in HTML. Below are some solution about “html auto slideshow” Code Answer’s.
html auto slideshow
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<html>
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<head>
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<style>
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#slider {
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width: 100%;
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height: 100%;
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margin: 0 auto;
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border: 10px solid transparent;
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padding: 0px;
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z-index: 100;
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overflow: hidden;
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white-space: nowrap;
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box-sizing: border-box;
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}
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#slider > li {
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width: 100%;
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height: 100%;
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position: relative;
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display: inline-block;
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overflow: hidden;
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font-size: 15px;
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font-size: initial;
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line-height: normal;
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transition: all 0.5s cubic-bezier(0.4, 1.3, 0.65, 1); /* Slide css animation */
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background-size: cover;
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vertical-align: top;
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box-sizing: border-box;
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white-space: normal;
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}
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</style>
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</head>
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<body>
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<ul id="slider">
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<li>
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<p>Some content.</p>
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</li>
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<li>
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<p>Some more content.</p>
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</li>
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<li>
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<p>And here's space for more.</p>
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</li>
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</ul>
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<script>
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// Slide every slideDelay seconds
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const slideDelay = 3000;
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const dynamicSlider = document.getElementById("slider");
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var curSlide = 0;
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window.setInterval(()=>{
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curSlide++;
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if (curSlide === dynamicSlider.childElementCount) {
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curSlide = 0;
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}
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// Actual slide
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dynamicSlider.firstElementChild.style.setProperty("margin-left", "-" + curSlide + "00%");
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}, slideDelay);
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</script>
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</body>
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</html>
automatic slideshow in html
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<!--automatic slidshow-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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* {box-sizing: border-box;}
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body {font-family: Verdana, sans-serif;}
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.mySlides {display: none;}
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img {vertical-align: middle;}
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/* Slideshow container */
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.slideshow-container {
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max-width: 1000px;
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position: relative;
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margin: auto;
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}
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/* Caption text */
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.text {
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color: #f2f2f2;
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font-size: 15px;
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padding: 8px 12px;
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position: absolute;
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bottom: 8px;
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width: 100%;
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text-align: center;
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}
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/* Number text (1/3 etc) */
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.numbertext {
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color: #f2f2f2;
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font-size: 12px;
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padding: 8px 12px;
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position: absolute;
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top: 0;
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}
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/* The dots/bullets/indicators */
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.dot {
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height: 15px;
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width: 15px;
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margin: 0 2px;
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background-color: #bbb;
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border-radius: 50%;
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display: inline-block;
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transition: background-color 0.6s ease;
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}
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.active {
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background-color: #717171;
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}
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/* Fading animation */
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.fade {
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-webkit-animation-name: fade;
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-webkit-animation-duration: 1.5s;
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animation-name: fade;
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animation-duration: 1.5s;
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}
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@-webkit-keyframes fade {
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from {opacity: .4}
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to {opacity: 1}
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}
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@keyframes fade {
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from {opacity: .4}
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to {opacity: 1}
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}
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/* On smaller screens, decrease text size */
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@media only screen and (max-width: 300px) {
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.text {font-size: 11px}
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}
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</style>
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</head>
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<body>
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<h2>Automatic Slideshow</h2>
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<p>Change image every 2 seconds:</p>
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<div class="slideshow-container">
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<div class="mySlides fade">
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<div class="numbertext">1 / 3</div>
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<img src="img_nature_wide.jpg" style="width:100%">
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<div class="text">Caption Text</div>
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</div>
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<div class="mySlides fade">
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<div class="numbertext">2 / 3</div>
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<img src="img_snow_wide.jpg" style="width:100%">
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<div class="text">Caption Two</div>
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</div>
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<div class="mySlides fade">
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<div class="numbertext">3 / 3</div>
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<img src="img_mountains_wide.jpg" style="width:100%">
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<div class="text">Caption Three</div>
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</div>
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</div>
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<br>
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<div style="text-align:center">
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<span class="dot"></span>
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<span class="dot"></span>
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<span class="dot"></span>
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</div>
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<script>
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var slideIndex = 0;
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showSlides();
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function showSlides() {
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var i;
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var slides = document.getElementsByClassName("mySlides");
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var dots = document.getElementsByClassName("dot");
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for (i = 0; i < slides.length; i++) {
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slides[i].style.display = "none";
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}
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slideIndex++;
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if (slideIndex > slides.length) {slideIndex = 1}
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for (i = 0; i < dots.length; i++) {
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dots[i].className = dots[i].className.replace(" active", "");
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}
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slides[slideIndex-1].style.display = "block";
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dots[slideIndex-1].className += " active";
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setTimeout(showSlides, 2000); // Change image every 2 seconds
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}
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</script>
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</body>
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</html>