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Drag & Drop in HTML CSS & JavaScript


Drag & Drop in HTML CSS & JavaScript

Creating a drag-and-drop functionality can be a great project to improve your skills in HTML, CSS, and JavaScript. Moreover, drag-and-drop interfaces are widely used in modern web applications, and having the ability to create one from scratch can be very beneficial for your future projects.

Drag and Drop is the interaction that can be used to rearrange items within a list, move items from one list to another, or even manipulate the position of elements on a page by using a mouse.

Today in this blog you will learn how to Drag & Drop elements from one position to another by using HTML CSS & JavaScript. At the end of this blog post, you will a project that has drag-and-drop functionality with some animations. Recently I have provided a blog on how to create a Multi-Step Progress Bar, I hope that project will also be beneficial for you.

Video Tutorial of Drag & Drop in HTML CSS & JavaScript

 

I hope you enjoyed the video tutorial on drag and drop and were able to understand how it can be created in HTML CSS and JavaScript. Also, In the video, I explained the codes with written comments to make them easier to understand, and I believe it worked.

If you haven’t seen the video yet, you can continue reading this post to learn how to create a drag-and-drop step-by-step by yourself. Otherwise, you can go to the bottom of this page to copy or download the source code and files for this project.

Steps to create Drag & Drop in HTML CSS & JavaScript

To create a Drag & Drop using HTML, CSS, and vanilla JavaScript, follow the given steps line by line:

  1. Create a folder. You can name this folder whatever you want, and inside this folder, create the mentioned files.
  2. Create an index.html file. The file name must be index and its extension .html
  3. Create a style.css file. The file name must be style and its extension .css
  4. Create a script.js file. The file name must be script and its extension .js

To start, add the following HTML codes to your index.html file to create the basic layout of the project.

<!DOCTYPE html>
<!-- Coding By CodingNepal - codingnepalweb.com -->
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Drag & Drop in JavaScript</title>
    <link rel="stylesheet" href="style.css" />
   <script src="script.js" defer></script>
  </head>
  <body>
    <section class="container">
      <div class="box">
        <div class="image" draggable="true"></div>
      </div>
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
    </section>
  </body>
</html>

Next, add the following CSS codes to your style.css file to make the layout look better. These codes will style the layout and give it a visually appealing appearance.

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f6f7fb;
}
.container {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  width: 420px;
  justify-content: center;
}
.container .box {
  position: relative;
  height: 160px;
  width: 160px;
  border-radius: 12px;
  border: 2px solid #333;
}
.box .image {
  height: 100%;
  width: 100%;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  background-image: url("img.jpg");
}
.box.hovered {
  border: 2px dashed #333;
}

Finally, add the following JavaScript code to your script.js file to add functionality for drag and drop

//DOM Elements
const boxes = document.querySelectorAll(".box"),
  image = document.querySelector(".image");

//Loop through each boxes element
boxes.forEach((box) => {
  //When a draggable element dragged over a box element
  box.addEventListener("dragover", (e) => {
    e.preventDefault(); //Prevent default behaviour
    box.classList.add("hovered");
  });

  //When a draggable element leaves box element
  box.addEventListener("dragleave", () => {
    box.classList.remove("hovered");
  });

  //When a draggable element is dropped on a box elemen
  box.addEventListener("drop", () => {
    box.appendChild(image);
    box.classList.remove("hovered");
  });
});

Conclusion and Final Words

By following the steps in this blog post, you have successfully created a drag-and-drop using HTML, CSS, and JavaScript. Now it’s up to you to experiment with the code and make it more useful.
If you face any difficulties while creating your Drag and Drop or your code is not working as expected, you can download the source code files for this Drag and Drop for free by clicking on the download button, and you can also view a live demo of this card slider by clicking on the view live button.

 

View Live Demo

 

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