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How to preview Image on click in Gallery View using HTML, CSS and JavaScript ?

Last Updated : 18 Apr, 2025
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In this article, we see how easily we can create an Image Gallery with a preview feature using HTML, CSS, and some JavaScript.

Approach

  • Create a div with a class container.
  • Create two more div inside the first div one for the main view and the other for the side view with classes main_view and side_view.
  • Inside the main view insert one image tag with the id main.
  • Inside the side view insert all other images of the gallery with function change and pass the src of the image to function.
  • Give width and margin to a container.
  • Give the height and width to a main_view.
  • Set the dimensions of the image in the main_view.
  • Set side_view to display all images in proper dimensions using flex.
  • Using the change function we will just replace the src of main_view with the source of the clicked image.

Example: This example shows the implementation of the above-explained approach.

HTML
<!DOCTYPE html> <html> <body> <!-- Container for our gallery --> <div class="container"> <!-- Main view of our gallery --> <div class="main_view"> <img src="one.jpg" id="main" alt="IMAGE"> </div> <!-- All images with side view --> <div class="side_view"> <img src="one.jpg" onclick="change(this.src)"> <img src="two.jpg" onclick="change(this.src)"> <img src="three.jpg" onclick="change(this.src)"> <img src="four.jpg" onclick="change(this.src)"> </div> </div> </body> </html> 
CSS
/*Setting Basic Dimensions to give   gallery view */ .container {  margin: 0 auto;  width: 90%; } .main_view {  width: 80%;  height: 25rem; } .main_view img {  width: 100%;  height: 100%;  object-fit: cover; } .side_view {  display: flex;  justify-content: center;  flex-wrap: wrap; } .side_view img {  width: 9rem;  height: 7rem;  object-fit: cover;  cursor: pointer;  margin: 0.5rem; } 
JavaScript
const change = src => {  document.getElementById('main').src = src } 

Output:


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