React Js Compare Two Dates

<!DOCTYPE html>
<html>

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

function App() {
      const [date1, setDate1] = useState('');
      const [date2, setDate2] = useState('');
      const [result, setResult] = useState('');

const handleDateChange = (event, setter) => {
        setter(event.target.value);
      }
      const compareDates = () => {
        const timestamp1 = Date.parse(date1);
        const timestamp2 = Date.parse(date2);

if (isNaN(timestamp1) || isNaN(timestamp2)) {
          setResult('Invalid date format');
        } else if (timestamp1 === timestamp2) {
          setResult('Dates are equal');
        } else if (timestamp1 < timestamp2) {
          setResult('Date 1 is earlier than Date 2');
        } else {
          setResult('Date 1 is later than Date 2');
        }
      }

return (
        <div className="container">
          <h3>React Js Compare Two Dates</h3>
          <label>Date 1:</label>
          <input type="date" value={date1} onChange={(e) => handleDateChange(e, setDate1)} />

<label>Date 2:</label>
          <input type="date" value={date2} onChange={(e) => handleDateChange(e, setDate2)} />

<button onClick={compareDates}>Compare Dates</button>

<p>{result}</p>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    * {
      box-sizing: border-box;
    }

.container {
      margin: 0 auto;
      width: 600px;
      text-align: center;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      padding: 20px;
    }

h3 {
      font-size: 24px;
      margin-bottom: 20px;
    }

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

input[type="date"] {
      width: 100%;
      padding: 10px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
    }

button {
      padding: 10px 20px;
      background-color: #4caf50;
      color: #fff;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }

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

p {
      margin-top: 20px;
      font-weight: bold;
    }
  </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 } = React;
​
    function App() {
      const [date1, setDate1] = useState('');
      const [date2, setDate2] = useState('');
      const [result, setResult] = useState('');
​
      const handleDateChange = (event, setter) => {
        setter(event.target.value);
      }
      const compareDates = () => {
        const timestamp1 = Date.parse(date1);
        const timestamp2 = Date.parse(date2);
​
        if (isNaN(timestamp1) || isNaN(timestamp2)) {
          setResult('Invalid date format');
        } else if (timestamp1 === timestamp2) {
          setResult('Dates are equal');
        } else if (timestamp1 < timestamp2) {
          setResult('Date 1 is earlier than Date 2');
        } else {
          setResult('Date 1 is later than Date 2');
        }
      }
​
      return (
        <div className="container">
          <h3>React Js Compare Two Dates</h3>
          <label>Date 1:</label>
          <input type="date" value={date1} onChange={(e) => handleDateChange(e, setDate1)} />
​
          <label>Date 2:</label>
          <input type="date" value={date2} onChange={(e) => handleDateChange(e, setDate2)} />
​
          <button onClick={compareDates}>Compare Dates</button>
​
          <p>{result}</p>
        </div>
      );
    }
​
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    * {
      box-sizing: border-box;
    }
​
    .container {
      margin: 0 auto;
      width: 600px;
      text-align: center;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      padding: 20px;
    }
​
​
    h3 {
      font-size: 24px;
      margin-bottom: 20px;
    }
​
    label {
      display: block;
      font-weight: bold;
      margin-bottom: 10px;
    }
​
    input[type="date"] {
      width: 100%;
      padding: 10px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
    }
​
    button {
      padding: 10px 20px;
      background-color: #4caf50;
      color: #fff;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
​
    button:hover {
      background-color: #45a049;
    }
​
    p {
      margin-top: 20px;
      font-weight: bold;
    }
  </style>
</body>
​
</html>