<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 [celsius, setCelsius] = useState('');
const [fahrenheit, setFahrenheit] = useState('');
const handleCelsiusChange = (e) => {
const celsiusValue = e.target.value;
setCelsius(celsiusValue);
const fahrenheitValue = (celsiusValue * 9) / 5 + 32;
setFahrenheit(fahrenheitValue.toFixed(2));
};
return (
<div className="container">
<h3 className="title">React JS Convert Celsius to Fahrenheit</h3>
<label className="label">Celsius:</label>
<input className="input" type="number" value={celsius} onChange={handleCelsiusChange} />
<br />
<label className="label">Fahrenheit:</label>
<input className="input" type="number" value={fahrenheit} readOnly />
</div>
);
}
ReactDOM.render(<App />, document.getElementById("app"));
</script>
<style>
.container {
text-align: center;
margin: 0 auto;
width: 700px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
display: flex;
flex-direction: column;
align-items: center;
}
.title {
font-size: 24px;
margin-bottom: 20px;
}
.label {
font-weight: bold;
}
.input {
padding: 5px;
margin-bottom: 10px;
border: 1px solid #ccc;
border-radius: 3px;
width: 200px;
}
.input:focus {
outline: none;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}
</style>
</body>
</html>