File Upload with Progress Bar HTML CSS & JavaScript
by Letscode - October 4,2023
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Hey friends, today in this blog you’ll how to Upload File with Progress in HTML CSS & JavaScript. Earlier, I have shared a blog on how to create Drag & Drop or Browse File Upload Feature using JavaScript. So I’ll not add this feature to this File Uploader.

In this project (File Upload JavaScript with Progress Bar), as you can see in the preview image, there are two pictures of the file uploader. In the first one, there is a dashed border container with an icon and text to browse the file to upload.

When you click on this container an open file window will open and you can select any file to upload. Once you select the file then you can see in the second picture, there is shown your file uploading status with filename, uploaded percent, progress bar, etc. and there is the history of the uploaded files with filename, size, etc.

File Upload JavaScript with Progress Bar [Source Codes]

To create this project (File Upload JavaScript). First, you need to create four Files: HTML, CSS, JavaScript & PHP files. After creating these files just paste the following codes into your file. Remember, you’ve to create a folder with php name and inside this folder, you’ve to create php file a name of upload.php and a files folder to saved all uploaded files.

If you didn’t understand then you can download the source code files of this File Upload JavaScript with Progress Bar from the given download button.

First, create an HTML file with the name of index.html and paste the given codes into your HTML file. Remember, you’ve to create a file with .html extension.

HTML
                        
<!DOCTYPE html>
<!-- Coding By Letscodeweb - youtube.com/@Letscodeweb -->
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>File Upload JavaScript with Progress Ba | Letscodeweb</title>
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" />
</head>

<body>
    <div class="wrapper">
        <header>File Uploader JavaScript</header>
        <form action="#">
            <input class="file-input" type="file" name="file" hidden>
            <i class="fas fa-cloud-upload-alt"></i>
            <p>Browse File to Upload</p>
        </form>
        <section class="progress-area"></section>
        <section class="uploaded-area"></section>
    </div>

    <script src="script.js"></script>

</body>

</html>

Second, paste the following codes into your style.css file.

CSS
                        
/* Import Google font - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&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: #6990F2;
}

::selection{
  color: #fff;
  background: #6990F2;
}
.wrapper{
  width: 430px;
  background: #fff;
  border-radius: 5px;
  padding: 30px;
  box-shadow: 7px 7px 12px rgba(0,0,0,0.05);
}
.wrapper header{
  color: #6990F2;
  font-size: 27px;
  font-weight: 600;
  text-align: center;
}
.wrapper form{
  height: 167px;
  display: flex;
  cursor: pointer;
  margin: 30px 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 5px;
  border: 2px dashed #6990F2;
}
form :where(i, p){
  color: #6990F2;
}
form i{
  font-size: 50px;
}
form p{
  margin-top: 15px;
  font-size: 16px;
}

section .row{
  margin-bottom: 10px;
  background: #E9F0FF;
  list-style: none;
  padding: 15px 20px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
section .row i{
  color: #6990F2;
  font-size: 30px;
}
section .details span{
  font-size: 14px;
}
.progress-area .row .content{
  width: 100%;
  margin-left: 15px;
}
.progress-area .details{
  display: flex;
  align-items: center;
  margin-bottom: 7px;
  justify-content: space-between;
}
.progress-area .content .progress-bar{
  height: 6px;
  width: 100%;
  margin-bottom: 4px;
  background: #fff;
  border-radius: 30px;
}
.content .progress-bar .progress{
  height: 100%;
  width: 0%;
  background: #6990F2;
  border-radius: inherit;
}
.uploaded-area{
  max-height: 232px;
  overflow-y: scroll;
}
.uploaded-area.onprogress{
  max-height: 150px;
}
.uploaded-area::-webkit-scrollbar{
  width: 0px;
}
.uploaded-area .row .content{
  display: flex;
  align-items: center;
}
.uploaded-area .row .details{
  display: flex;
  margin-left: 15px;
  flex-direction: column;
}
.uploaded-area .row .details .size{
  color: #404040;
  font-size: 11px;
}
.uploaded-area i.fa-check{
  font-size: 16px;
}

Third, paste the following codes into your script.js file.

JS
                                              
const form = document.querySelector("form"),
fileInput = document.querySelector(".file-input"),
progressArea = document.querySelector(".progress-area"),
uploadedArea = document.querySelector(".uploaded-area");

form.addEventListener("click", () =>{
  fileInput.click();
});

fileInput.onchange = ({target})=>{
  let file = target.files[0];
  if(file){
    let fileName = file.name;
    if(fileName.length >= 12){
      let splitName = fileName.split('.');
      fileName = splitName[0].substring(0, 13) + "... ." + splitName[1];
    }
    uploadFile(fileName);
  }
}

function uploadFile(name){
  let xhr = new XMLHttpRequest();
  xhr.open("POST", "php/upload.php");
  xhr.upload.addEventListener("progress", ({loaded, total}) =>{
    let fileLoaded = Math.floor((loaded / total) * 100);
    let fileTotal = Math.floor(total / 1000);
    let fileSize;
    (fileTotal < 1024) ? fileSize = fileTotal + " KB" : fileSize = (loaded / (1024*1024)).toFixed(2) + " MB";
    let progressHTML = `<li class="row">
                          <i class="fas fa-file-alt"></i>
                          <div class="content">
                            <div class="details">
                              <span class="name">${name} • Uploading</span>
                              <span class="percent">${fileLoaded}%</span>
                            </div>
                            <div class="progress-bar">
                              <div class="progress" style="width: ${fileLoaded}%"></div>
                            </div>
                          </div>
                        </li>`;
    uploadedArea.classList.add("onprogress");
    progressArea.innerHTML = progressHTML;
    if(loaded == total){
      progressArea.innerHTML = "";
      let uploadedHTML = `<li class="row">
                            <div class="content upload">
                              <i class="fas fa-file-alt"></i>
                              <div class="details">
                                <span class="name">${name} • Uploaded</span>
                                <span class="size">${fileSize}</span>
                              </div>
                            </div>
                            <i class="fas fa-check"></i>
                          </li>`;
      uploadedArea.classList.remove("onprogress");
      uploadedArea.insertAdjacentHTML("afterbegin", uploadedHTML);
    }
  });
  let data = new FormData(form);
  xhr.send(data);
}
PHP
                                                                              
//Contact Form in PHP
<?php
  $name = htmlspecialchars($_POST['name']);
  $email = htmlspecialchars($_POST['email']);
  $phone = htmlspecialchars($_POST['phone']);
  $website = htmlspecialchars($_POST['website']);
  $message = htmlspecialchars($_POST['message']);

  if(!empty($email) && !empty($message)){
    if(filter_var($email, FILTER_VALIDATE_EMAIL)){
      $receiver = "receiver_email_address"; //enter that email address where you want to receive all messages
      $subject = "From: $name <$email>";
      $body = "Name: $name\nEmail: $email\nPhone: $phone\nWebsite: $website\n\nMessage:\n$message\n\nRegards,\n$name";
      $sender = "From: $email";
      if(mail($receiver, $subject, $body, $sender)){
         echo "Your message has been sent";
      }else{
         echo "Sorry, failed to send your message!";
      }
    }else{
      echo "Enter a valid email address!";
    }
  }else{
    echo "Email and message field is required!";
  }
?>

That’s all, now you’ve successfully created a File Upload JavaScript with Progress Bar. If your code doesn’t work or you’ve faced any error/problem, please download the source code files from the given download button. It’s free and a .zip file will be downloaded then you’ve to extract it. Once you extracted it, move this project folder inside htdocs or www folder of your XAMPP or WAMP installation directory then start the apache server and run this file on your browser.

Note: In the video, I have manually slowed the Internet connection to upload files slowly and to show you the progress of uploading. So the small size file like images also taken time to upload but when you download this project and upload the image file then you might not see the progress bar because your file will be uploaded too fast.

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