<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>