React Input Mask

<!DOCTYPE html>
<html>

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

function App() {
      const [creditCardNumber, setCreditCardNumber] = useState('');

const handleCreditCardChange = (e) => {
        const input = e.target.value;
        const sanitizedInput = input.replace(/\D/g, ''); // Remove non-numeric characters

let maskedInput = '';
        for (let i = 0; i < sanitizedInput.length; i++) {
          if (i === 4 || i === 8 || i === 12) {
            maskedInput += ' ';
          }
          maskedInput += sanitizedInput[i];
        }

setCreditCardNumber(maskedInput);
      };

return (
        <div className='container'>
          <h3>React Input Mask For Credit Card</h3>
          <label htmlFor="creditCard" className="label-class">Credit Card Number</label>
          <input
            type="text"
            id="creditCard"
            value={creditCardNumber}
            onChange={handleCreditCardChange}
            maxLength={19} // Maximum length of a credit card number with spaces
            placeholder="XXXX XXXX XXXX XXXX"
            className="input-class"
          />
        </div>

);
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>

h3 {
      color: #333;
    }

.label-class {
      display: block;
      margin: 20px 0 10px;
      font-weight: bold;
      color: #555;
    }

.input-class {
      width: 100%;
      height: 40px;
      padding: 10px;
      font-size: 16px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
      outline: none;
      transition: border-color 0.3s;
    }

.input-class:focus {
      border-color: #007bff;
    }

/* Credit card number mask */
    #creditCard {
      letter-spacing: .5em;
    }

</style>
</body>

</html>

 
<!DOCTYPE html>
<html>
​
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
​
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState, useRef } = React;
​
    function App() {
      const [creditCardNumber, setCreditCardNumber] = useState('');
​
      const handleCreditCardChange = (e) => {
        const input = e.target.value;
        const sanitizedInput = input.replace(/\D/g, ''); // Remove non-numeric characters
​
        let maskedInput = '';
        for (let i = 0; i < sanitizedInput.length; i++) {
          if (i === 4 || i === 8 || i === 12) {
            maskedInput += ' ';
          }
          maskedInput += sanitizedInput[i];
        }
​
        setCreditCardNumber(maskedInput);
      };
​
      return (
        <div className='container'>
          <h3>React Input Mask For Credit Card</h3>
          <label htmlFor="creditCard" className="label-class">Credit Card Number</label>
          <input
            type="text"
            id="creditCard"
            value={creditCardNumber}
            onChange={handleCreditCardChange}
            maxLength={19} // Maximum length of a credit card number with spaces
            placeholder="XXXX XXXX XXXX XXXX"
            className="input-class"
          />
        </div>
​
      );
    }
​
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>
​
​
  <style>
    .container {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin: 0 auto;
      padding: 20px;
      width: 600px;
      border-radius: 10px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
​
    h3 {
      color: #333;
    }
​
    .label-class {
      display: block;
      margin: 20px 0 10px;
      font-weight: bold;
      color: #555;
    }
​
    .input-class {
      width: 100%;
      height: 40px;
      padding: 10px;
      font-size: 16px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
      outline: none;
      transition: border-color 0.3s;
    }
​
    .input-class:focus {
      border-color: #007bff;
    }
​
    /* Credit card number mask */
    #creditCard {
      letter-spacing: .5em;
    }
​
  
  </style>
</body>
​
</html>