## Introduction

A few days back, I was working on a side project, and I was required to create a Drag N Drop feature like [Scratch](https://scratch.mit.edu/projects/editor/). I then read a lot about this Drag n Drop feature.

## Getting Started
In this post, I will be showing 3 Drag n Drop use cases, so without wasting the time, let's start.

### Simple Drag n Drop

Here, I created 2 container divs, where we can move our child divs. While dragging, we will store the **ID** of the child in the [DataTransfer](https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer) Object. After dropping, we will fetch the **ID** from the DataTansfer Object, and then the node will be appended in the dropped container.

#container1 {
  width: 100px;
  aspect-ratio: 1/1;
  border: 1px solid black;
}

#container2 {
  margin-top: 10px;
  width: 100px;
  aspect-ratio: 1/1;
  border: 1px solid red;
}

.item {
  width: 50px;
  aspect-ratio: 1/1;
  background-color: #5089C6;
}


codemirror

### Drag, Drop, Copy n Delete

Similarly, I have created 2 container divs where we can move the child, but when we drop the child, it is copy-pasted instead of cut-paste. 
When it is dropped in the previous container, it is deleted.

.items {
  aspect-ratio: 1/1;
  width: 50px;
  background-color: #5089C6;
  color: #fff;
  margin: 5px;
}

.container {
  border: 1px solid red;
}

.dropArea {
  border: 1px solid blue;
  margin-top: 50px;
  aspect-ratio: 1/0.25;
}


### Drag, Drop, n Swap
Here, we have 1 container, and we swap the node with the node we are hovering over.


body {
  font-family: "Benton Sans", "Helvetica Neue", helvetica, arial, sans-serif;
  margin: 2em;
}

.container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.box {
  border: 3px solid #666;
  background-color: #ddd;
  border-radius: .5em;
  padding: 10px;
  cursor: move;
}

.box.over {
  border: 3px dotted #666;
}

[draggable] {
  user-select: none;
}

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Thanks to [Web.dev](https://web.dev) & [W3Schools](https://www.w3schools.com/)

Mastering Drag N Drop API in HTML and JS

Introduction

Getting Started

Simple Drag n Drop

Drag, Drop, Copy n Delete

Drag, Drop, n Swap