English:
JavaScript Lightbox
Category Programming Techniques
In this article, we introduce how to create a Lightbox using HTML, JavaScript, and CSS, similar to an album preview feature.
HTML Code:
<!-- Change the image to your image address -->
<h2 style="text-align:center">Lightbox</h2>
<div class="row">
<div class="column">
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo1.jpg" style="width:100%" onclick="openModal();currentSlide(1)" class="hover-shadow cursor">
</div>
<div class="column">
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo2.jpg" style="width:100%" onclick="openModal();currentSlide(2)" class="hover-shadow cursor">
</div>
<div class="column">
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo3.jpg" style="width:100%" onclick="openModal();currentSlide(3)" class="hover-shadow cursor">
</div>
<div class="column">
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo4.jpg" style="width:100%" onclick="openModal();currentSlide(4)" class="hover-shadow cursor">
</div>
</div>
<div id="myModal" class="modal">
<span class="close cursor" onclick="closeModal()">×</span>
<div class="modal-content">
<div class="mySlides">
<div class="numbertext">1 / 4</div>
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo1.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">2 / 4</div>
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo2.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">3 / 4</div>
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo3.jpg" style="width:100%">
</div>
<div class="mySlides">
<div class="numbertext">4 / 4</div>
<img decoding="async" src="http://static.tutorialpro.org/images/demo/demo4.jpg" style="width:100%">
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
<div class="caption-container">
<p id="caption"></p>
</div>
<div class="column">
<img decoding="async" class="demo cursor" src="http://static.tutorialpro.org/images/demo/demo1.jpg" style="width:100%" onclick="currentSlide(1)" alt="Nature and sunrise">
</div>
<div class="column">
<img decoding="async" class="demo cursor" src="http://static.tutorialpro.org/images/demo/demo2.jpg" style="width:100%" onclick="currentSlide(2)" alt="Trolltunga, Norway">
</div>
<div class="column">
<img decoding="async" class="demo cursor" src="http://static.tutorialpro.org/images/demo/demo3.jpg" style="width:100%" onclick="currentSlide(3)" alt="Mountains and fjords">
</div>
<div class="column">
<img decoding="async" class="demo cursor" src="http://static.tutorialpro.org/images/demo/demo4.jpg" style="width:100%" onclick="currentSlide(4)" alt="Northern Lights">
</div>
</div>
</div>
CSS Code:
```css body { font-family: Verdana, sans-serif; margin: 0; }
- { box-sizing: border-box; }
.row > .column { padding: 0 8px; }
.row:after { content: ""; display: table; clear: both; }
.column { float: left; width: 25%; }
/* Modal background */ .modal { display: none; position: fixed; z-index: 1; padding-top: 100px; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: black; }
/ var slides = document.getElementsByClassName("mySlides"); var dots = document.getElementsByClassName("demo"); var captionText = document.getElementById("caption"); if (n > slides.length) {slideIndex = 1} if (n < 1) {slideIndex = slides.length} for (i = 0; i < slides.length; i++) { slides[i].style.display = "none"; } for (i = 0; i < dots.length; i++) { dots[i].className = dots[i].className.replace(" active", ""); } slides[slideIndex-1].style.display = "block"; dots[slideIndex-1].className += " active"; captionText.innerHTML = dots[slideIndex-1].alt; }