React Select All Checkbox | Unselect All

<!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 [checkboxes, setCheckboxes] = useState({
          checkbox1: false,
          checkbox2: false,
          checkbox3: false,
          // Add more checkboxes here if needed
        });

const [checkAllResult, setCheckAllResult] = useState("");

const handleCheckboxChange = (checkboxName) => {
          setCheckboxes({
            ...checkboxes,
            [checkboxName]: !checkboxes[checkboxName],
          });
        };

return (
          <div className="container">
            <h3>React Js Check if all checkboxes are checked</h3>
            <label>
              <input
                type="checkbox"
                checked={checkboxes.checkbox1}
                onChange={() => handleCheckboxChange("checkbox1")}
              />
              Checkbox 1
            </label>
            <label>
              <input
                type="checkbox"
                checked={checkboxes.checkbox2}
                onChange={() => handleCheckboxChange("checkbox2")}
              />
              Checkbox 2
            </label>
            <label>
              <input
                type="checkbox"
                checked={checkboxes.checkbox3}
                onChange={() => handleCheckboxChange("checkbox3")}
              />
              Checkbox 3
            </label>
            {/* Add more checkboxes here if needed */}
            <button onClick={handleCheckAll}>Check All</button>
            <p>{checkAllResult}</p>
          </div>
        );
      }
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
      /* Your existing CSS styles here */
      .container {
        width: 400px;
        margin: 0 auto;
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12),
          0 2px 4px 0 rgba(0, 0, 0, 0.24);
        padding: 20px;
        font-family: Arial, sans-serif;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
      }

label {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
        cursor: pointer;
      }

input[type="checkbox"] {
        margin-right: 10px;
      }

button {
        background-color: #4caf50;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 4px;
        cursor: pointer;
      }

button:hover {
        background-color: #45a049;
      }

p {
        margin-top: 10px;
        font-weight: bold;
      }

/* Custom styles for the checkboxes */
      input[type="checkbox"] {
        appearance: none;
        width: 20px;
        height: 20px;
        border: 2px solid #333;
        border-radius: 3px;
        cursor: pointer;
      }

input[type="checkbox"]:checked {
        background-color: #4caf50;
        border: 2px solid #4caf50;
        color: white;
      }
    </style>
  </body>
</html>