Basic Image Slider Code Example

Table of Contents

Here’s an example of a basic image slider using HTML, JavaScript and CSS.

HTML

The HTML creates a container for the slider and individual slide elements for each image.

				
					<div class="slider">
  <div class="slide"><img decoding="async" src="image1.jpg"></div>
  <div class="slide"><img decoding="async" src="image2.jpg"></div>
  <div class="slide"><img decoding="async" src="image3.jpg"></div>
</div>

				
			

JAVASCRIPT

The JavaScript controls the functionality of the slider, including advancing through the slides, displaying the current slide, and hiding the other slides.

				
					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("slide");
  if (n > slides.length) {slideIndex = 1}    
  if (n < 1) {slideIndex = slides.length}
  for (i = 0; i < slides.length; i++) {
      slides[i].style.display = "none";  
  }
  slides[slideIndex-1].style.display = "block";  
}

				
			

CSS

The CSS styles the container and the slide elements so that they fill the available space and center the images.

				
					.slider {
  width: 100%;
  overflow: hidden;
}

.slide {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide img {
  width: 100%;
}

				
			

This code uses a combination of HTML, CSS, and JavaScript to create a basic image slider.

Please note that this is a basic example, you can use this as a starting point and add more functionality to it as per your requirement

END

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