create a web form that lets you put in two dates, and then calculates and displays the number of days between those two dates. in javascript

<!-- HTML form with two date inputs and a button -->
<form>
  <label for="start">Start date:</label>
  <input type="date" id="start" name="start">

  <label for="end">End date:</label>
  <input type="date" id="end" name="end">

  <br>

  <button type="button" id="calculate">Calculate</button>
</form>

<!-- Placeholder for the result -->
<p id="result"></p>

<script>
  // Add event listener to the button
  document.getElementById('calculate').addEventListener('click', function() {
    // Get the input values as Date objects
    var startDate = new Date(document.getElementById('start').value);
    var endDate = new Date(document.getElementById('end').value);

    // Calculate the difference in milliseconds
    var diffInMs = endDate.getTime() - startDate.getTime();

    // Convert the difference to days
    var diffInDays = Math.floor(diffInMs / (1000 * 60 * 60 * 24));

    // Display the result
    document.getElementById('result').innerHTML = 'The number of days between the two dates is: ' + diffInDays;
  });
</script>
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