HTML, CSS, and jQuery: Build a beautiful image gallery

HTML, CSS and jQuery: Build a beautiful image gallery

Introduction:
With the continuous development of technology, web design has become an important field . And in web design, image galleries are a common and attractive element. This article will show you how to use HTML, CSS, and jQuery to build a beautiful image gallery, and provide specific code examples.

1. HTML structure:
First, we need to create a basic HTML structure to place the image gallery elements. The following is a simple HTML structure example:

<div class="gallery">
  <div class="gallery__item">
    <img src="image1.jpg" alt="Image 1">
  </div>
  <div class="gallery__item">
    <img src="image2.jpg" alt="Image 2">
  </div>
  <div class="gallery__item">
    <img src="image3.jpg" alt="Image 3">
  </div>
  <!-- ... 其他图像项 ... -->
</div>

In the above example, we created a div element and added a class name of gallery to it . Then, inside the div element, we create a series of gallery__item child elements to display the image. Each image is nested within a gallery__item element using the img tag, and the URL of the image is specified via the src attribute.

2. CSS Layout:
Next, we use CSS to create the layout and style for the image gallery. Here is a simple CSS example:

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 20px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
}

.gallery__item img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease-out;
}

.gallery__item:hover img {
  transform: scale(1.2);
}

In the above example, we have used CSS Grid Layout to create a grid gallery. With the display: grid; and grid-template-columns: repeat(3, 1fr); attributes, we divide the gallery element into a three-column grid. And added a 20 pixel gap between the images using the grid-gap: 20px; attribute.

On each image item element, we set the position: relative; and overflow: hidden; attributes to enable the image to be enlarged on mouseover Effect. The size of the image itself is adaptively adjusted through the width: 100%; and height: auto; properties. Finally, we use the transition: transform 0.3s ease-out; property to add a smooth transition effect, through the hover pseudo-class and transform: scale(1.2);Attribute to achieve image magnification effect.

3. jQuery animation:
Finally, we can use jQuery to achieve some animation effects to enhance the interactive experience of the image gallery. Here is a simple jQuery example:

$(".gallery__item").on("click", function() {
  $(this).toggleClass("active");
});

In the above example, we used jQuery's on method to respond to the click event of the image item element. When the user clicks on an image item, toggle its active class name to change its style.

Conclusion:
With the combination of HTML, CSS and jQuery, we can easily create a beautiful and interactive image gallery. With proper HTML structure and CSS layout, we can build an image gallery in the form of a grid and enhance the user experience with jQuery animation effects. Hopefully the code examples provided in this article will give you some help building image galleries.

Reference:

• [CSS Grid Layout](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout)
• [jQuery API Documentation](https://api.jquery.com/)
• [w3schools - CSS Grid](https://www.w3schools.com/css/css_grid.asp)
• [w3schools - jQuery](https://www.w3schools.com/jquery/)

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