React Js Multiple Image Upload with Preview

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.14.7/babel.min.js"></script>
  </head>

<body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;

function App() {
        const [images, setImages] = useState([]);
        const [showModal, setShowModal] = useState(false);
        const [selectedImage, setSelectedImage] = useState(null);

const removeImage = (index) => {
          setImages((prevImages) => {
            const updatedImages = [...prevImages];
            updatedImages.splice(index, 1);
            return updatedImages;
          });
        };

const showImage = (index) => {
          setSelectedImage(images[index]);
          setShowModal(true);
        };

const closeModal = () => {
          setShowModal(false);
          setSelectedImage(null);
        };

return (
          <div className="container">
            <h3>React Multiple Image Upload with Preview</h3>
            <label htmlFor="file-upload">Choose Image</label>
            <input
              type="file"
              id="file-upload"
              multiple
              onChange={handleFileUpload}
            />
            <div className="image-container">
              {images.map((image, index) => (
                <div key={index} className="image-item">
                  <img
                    src={image.previewUrl}
                    alt="Preview"
                    className="profile-pic"
                    onClick={() => showImage(index)}
                  />
                  <button
                    className="remove-button"
                    onClick={() => removeImage(index)}
                  >
                    X
                  </button>
                </div>
              ))}
            </div>
            {showModal && (
              <div className="modal" onClick={closeModal}>
                <div className="modal-content">
                  <span className="close" onClick={closeModal}>
                    &times;
                  </span>
                  <img
                    src={selectedImage.previewUrl}
                    alt="Preview"
                    className="modal-image"
                  />
                </div>
              </div>
            )}
          </div>
        );
      }
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>

label {
        display: block;
        margin-bottom: 10px;
      }

/* Style for the file input */
      input[type="file"] {
        display: none;
      }

/* Style for the file input label */
      label {
        padding: 10px 20px;
        background-color: #4285f4;
        color: #ffffff;
        font-size: 16px;
        font-weight: bold;
        cursor: pointer;
        border-radius: 4px;
        transition: background-color 0.3s ease;
      }

.image-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-start;
        margin-top: 20px;
        position: relative;
      }

.image-item {
        position: relative;
        margin-right: 10px;
        margin-bottom: 10px;
      }

.image-item img {
        display: block;
        width: 100px;
        height: 100px;
        object-fit: cover;
        cursor: pointer;
      }

.remove-button {
        position: absolute;
        top: 0px;
        right: 0px;
        background-color: rgba(255, 255, 255, 0.5);
        border: none;
        border-radius: 50%;
        width: 25px;
        height: 25px;
        color: #9c27b0;
        font-weight: bold;
        cursor: pointer;
        font-size: 20px;
      }

.modal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9999;
      }

.modal-content {
        max-width: 80%;
        max-height: 80%;
      }

.close {
        position: absolute;
        top: 5px;
        right: 10px;
        font-size: 35px;
        color: #fff;
        cursor: pointer;
      }
      .close:hover {
        color: red;
      }

.modal-image {
        max-width: 100%;
        max-height: 100%;
        display: block;
        margin: 0 auto;
      }
    </style>
  </body>
</html>

 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.14.7/babel.min.js"></script>
  </head>
​
  <body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;
​
      function App() {
        const [images, setImages] = useState([]);
        const [showModal, setShowModal] = useState(false);
        const [selectedImage, setSelectedImage] = useState(null);
​
        const handleFileUpload = (event) => {
          const files = event.target.files;
          for (let i = 0; i < files.length; i++) {
            const reader = new FileReader();
            reader.onload = (e) => {
              setImages((prevImages) => [
                ...prevImages,
                {
                  file: files[i],
                  previewUrl: e.target.result,
                },
              ]);
            };
            reader.readAsDataURL(files[i]);
          }
        };
​
        const removeImage = (index) => {
          setImages((prevImages) => {
            const updatedImages = [...prevImages];
            updatedImages.splice(index, 1);
            return updatedImages;
          });
        };
​
        const showImage = (index) => {
          setSelectedImage(images[index]);
          setShowModal(true);
        };
​
        const closeModal = () => {
          setShowModal(false);
          setSelectedImage(null);
        };
​
        return (
          <div className="container">
            <h3>React Multiple Image Upload with Preview</h3>
            <label htmlFor="file-upload">Choose Image</label>
            <input
              type="file"
              id="file-upload"
              multiple
              onChange={handleFileUpload}
            />
            <div className="image-container">
              {images.map((image, index) => (
                <div key={index} className="image-item">
                  <img
                    src={image.previewUrl}
                    alt="Preview"
                    className="profile-pic"
                    onClick={() => showImage(index)}
                  />
                  <button
                    className="remove-button"
                    onClick={() => removeImage(index)}
                  >
                    X
                  </button>
                </div>
              ))}
            </div>
            {showModal && (
              <div className="modal" onClick={closeModal}>
                <div className="modal-content">
                  <span className="close" onClick={closeModal}>
                    &times;
                  </span>
                  <img
                    src={selectedImage.previewUrl}
                    alt="Preview"
                    className="modal-image"
                  />
                </div>
              </div>
            )}
          </div>
        );
      }
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>
​
    <style>
      .container {
        max-width: 500px;
        margin: 0 auto;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      }
      h3 {
        text-align: center;
      }
​
      label {
        display: block;
        margin-bottom: 10px;
      }
​
      /* Style for the file input */
      input[type="file"] {
        display: none;
      }
​
      /* Style for the file input label */
      label {
        padding: 10px 20px;
        background-color: #4285f4;
        color: #ffffff;
        font-size: 16px;
        font-weight: bold;
        cursor: pointer;
        border-radius: 4px;
        transition: background-color 0.3s ease;
      }
​
      .image-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-start;
        margin-top: 20px;
        position: relative;
      }
​
      .image-item {
        position: relative;
        margin-right: 10px;
        margin-bottom: 10px;
      }
​
      .image-item img {
        display: block;
        width: 100px;
        height: 100px;
        object-fit: cover;
        cursor: pointer;
      }
​
      .remove-button {
        position: absolute;
        top: 0px;
        right: 0px;
        background-color: rgba(255, 255, 255, 0.5);
        border: none;
        border-radius: 50%;
        width: 25px;
        height: 25px;
        color: #9c27b0;
        font-weight: bold;
        cursor: pointer;
        font-size: 20px;
      }
​
      .modal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9999;
      }
​
      .modal-content {
        max-width: 80%;
        max-height: 80%;
      }
​
      .close {
        position: absolute;
        top: 5px;
        right: 10px;
        font-size: 35px;
        color: #fff;
        cursor: pointer;
      }
      .close:hover {
        color: red;
      }
​
      .modal-image {
        max-width: 100%;
        max-height: 100%;
        display: block;
        margin: 0 auto;
      }
    </style>
  </body>
</html>
​