Simple Drag & Drop Image Using JavaScript

Submitted by razormist on Thursday, August 20, 2020 - 21:12.
In this code we will try to do Simple Drag & Drop Image using JavaScript. The program will enable you to drag and drop an image to different position. The trick of this code is to bind each div element with an id then receive with a binded image in ondragstart event. To learn more about this, just follow the steps below.

Getting started:

First you have to download bootstrap framework, this is the link for the bootstrap that I used for the layout design https://getbootstrap.com/.

The Main Interface

This code contains the interface of the application. To create this just write these block of code inside the text editor and save this as index.html. 
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. 	<head>
  4. 		<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
  5. 		<link rel="stylesheet" type="text/css" href="css/bootstrap.css" />
  6. 	</head>
  7. <body>
  8. 	<nav class="navbar navbar-default">
  9. 		<div class="container-fluid">
  10. 			<a class="navbar-brand" href="https://sourcecodester.com">Sourcecodester</a>
  11. 		</div>
  12. 	</nav>
  13. 	<div class="col-md-3"></div>
  14. 	<div class="col-md-6 well">
  15. 		<h3 class="text-primary">Simple Drag & Drop Image Using JavaScript</h3>
  16. 		<hr style="border-top:1px dotted #ccc;"/>
  17. 		<div class="col-md-5" style="border:1px SOLID #ccc; height:250px;" ondrop="drop(event)" ondragover="dragOver(event)"><h4>Table 1</h4></div>
  18. 		<center><img src="img.png" id="image" height="200" width="300" draggable="true" ondragstart="drag(event)"/></center>
  19. 		<br  style="clear:both;"/>
  20. 		<br />
  21. 		<div class="col-md-5" style="border:1px SOLID #ccc; height:250px;" ondrop="drop(event)" ondragover="dragOver(event)"><h4>Table 2</h4></div>
  22.  
  23. 	</div>
  24. <script src="js/script.js"></script>	
  25. </body>	
  26. </html>

Creating the Script

This code contains the script of the application. The code will allow you to do a drag and drop event to an image element. To do this just copy and write these block of codes inside the text editor, then save it as script.js inside the js folder. 
  1. function drop(e){
  2. 	e.preventDefault();
  3. 	var image = e.dataTransfer.getData("image");
  4. 	e.target.appendChild(document.getElementById(image));
  5. 	document.getElementById(image).style="width:100%;";
  6. }
  7.  
  8.  
  9. function dragOver(e){
  10. 	e.preventDefault();
  11. }
  12.  
  13. function drag(e){
  14. 	e.dataTransfer.setData("image", e.target.id);
  15. }
There you have it we successfully created a Simple Drag & Drop Image using JavaScript. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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