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Drag and Drop File Upload Using HTML,CSS & JavaScript

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Drag and Drop File Upload Using HTML,CSS & JavaScript

 
Drag and Drop File Upload Using HTML,CSS & JavaScript
Drag and Drop File Upload Using HTML,CSS & JavaScript

Hey friends, today we will see how to make this great drag and drop File Upload Using Html, Css, and JavaScript. We create this drag and drop using JavaScript and Html and Css uses for creating project structure. The demo is available at the bottom of the page.

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Now let’s see the general use of this project. Sometimes you may want to collect file inputs from your website user. So this project is a nice page for users to upload files and they can also drag and drop files on this page.

Code by codingporium
Project Download Link Available Below
Language used HTML,CSS and JavaScript
External link / Dependencies Yes
Responsive Yes
Drag and Drop File Upload Table

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Now let’s see the codes!

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HTML Code For Drag and Drop File Upload

Paste the codes below:

NOTE: this is Font Awesome CDN link so don’t forget to link in your html head section otherwise this drag and drop icon not show in your projects.

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.1/css/all.min.css" integrity="sha512-MV7K8+y+gLIBoVD59lQIYicR65iaqukzvf/nwasF0nqhPay5w/9lJmVM2hMDcnK1OnMGCdVK+iQrJ7lzPJQd1w==" crossorigin="anonymous" referrerpolicy="no-referrer" />

HTML CODE

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  <div class="drag-area">
    <div class="icon"><i class="fas fa-cloud-upload-alt"></i></div>
    <header>Drag & Drop to Upload File</header>
    <span>OR</span>
    <button>Browse File</button>
    <input type="file" hidden>
  </div>

100+ JavaScript Projects With Source Code ( Beginners to Advanced)

The output would be:

 
Drag and Drop File Upload Using HTML,CSS & JavaScript
Drag and Drop File Upload Using HTML,CSS & JavaScript
 

Now let’s use CSS to style it.

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CSS Code For Drag and Drop File Upload

Paste the CSS Codes below:

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 @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
  *{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #0fb8ac;
  }
  .drag-area{
    border: 2px dashed #fff;
    height: 500px;
    width: 700px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  .drag-area.active{
    border: 2px solid #fff;
  }
  .drag-area .icon{
    font-size: 100px;
    color: #fff;
  }
  .drag-area header{
    font-size: 30px;
    font-weight: 500;
    color: #fff;
  }
  .drag-area span{
    font-size: 25px;
    font-weight: 500;
    color: #fff;
    margin: 10px 0 15px 0;
  }
  .drag-area button{
    padding: 10px 25px;
    font-size: 20px;
    font-weight: 500;
    border: none;
    outline: none;
    background: #fff;
    color: #0fb8ac;
    border-radius: 5px;
    cursor: pointer;
  }
  .drag-area img{
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 5px;
  }

Now we add JavaScript for functionality

50+ HTML, CSS & JavaScript Projects With Source Code

JavaScript Code For Drag and Drop File Upload

 //selecting all required elements
const dropArea = document.querySelector(".drag-area"),
dragText = dropArea.querySelector("header"),
button = dropArea.querySelector("button"),
input = dropArea.querySelector("input");
let file; //this is a global variable and we'll use it inside multiple functions




button.onclick = ()=>{
  input.click(); //if user click on the button then the input also clicked
}




input.addEventListener("change", function(){
  //getting user select file and [0] this means if user select multiple files then we'll select only the first one
  file = this.files[0];
  dropArea.classList.add("active");
  showFile(); //calling function
});
//If user Drag File Over DropArea
dropArea.addEventListener("dragover", (event)=>{
  event.preventDefault(); //preventing from default behaviour
  dropArea.classList.add("active");
  dragText.textContent = "Release to Upload File";
});




//If user leave dragged File from DropArea
dropArea.addEventListener("dragleave", ()=>{
  dropArea.classList.remove("active");
  dragText.textContent = "Drag & Drop to Upload File";
});




//If user drop File on DropArea
dropArea.addEventListener("drop", (event)=>{
  event.preventDefault(); //preventing from default behaviour
  //getting user select file and [0] this means if user select multiple files then we'll select only the first one
  file = event.dataTransfer.files[0];
  showFile(); //calling function
});




function showFile(){
  let fileType = file.type; //getting selected file type
  let validExtensions = ["image/jpeg", "image/jpg", "image/png"]; //adding some valid image extensions in array
  if(validExtensions.includes(fileType)){ //if user selected file is an image file
    let fileReader = new FileReader(); //creating new FileReader object
    fileReader.onload = ()=>{
      let fileURL = fileReader.result; //passing user file source in fileURL variable
      let imgTag = `<img src="${fileURL}" alt="image">`; //creating an img tag and passing user selected file source inside src 
attribute
      dropArea.innerHTML = imgTag; //adding that created img tag inside dropArea container
    }
    fileReader.readAsDataURL(file);
  }else{
    alert("This is not an Image File!");
    dropArea.classList.remove("active");
    dragText.textContent = "Drag & Drop to Upload File";
  }
}

Final Output Of  Drag and Drop File Upload

 
 
Drag and Drop File Upload Using HTML,CSS & JavaScript
Drag and Drop File Upload Using HTML,CSS & JavaScript

And that’s all for this project!

Now we have completed our Drag and Drop File Upload. Here is our updated output with JavaScript. I hope you like the Drag and Drop File Upload. you can see the output video and project screenshots. See our other blogs and gain knowledge in front-end development.

Thank you!

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In this post, we learn how to create a Drag and Drop File Upload Using HTML, CSS, and JavaScript. If we made a mistake or any confusion, please drop a comment to reply or help you learn easily.

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Portfolio Website using HTML and CSS (Source Code)

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written by @codingporium

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Which code editor do you use for this Drag and Drop File Upload coding?

I personally recommend using VS Code Studio, it’s straightforward and easy to use.

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is this project responsive or not?

Yes! this is a responsive project

Do you use any external links to create this project?

Yes!

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