How can the value selected from a dropdownlist be retrieved and shown on the following page?

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There are different ways to retrieve the value selected from a dropdownlist and show it on the following page, depending on the programming language and framework being used. However, a general approach could be:

1. Assign a unique name or ID to the dropdownlist element in the HTML or markup of the current page. For example:

<select name="myDropdown" id="myDropdown">
  <option value="option1">Option 1</option>
  <option value="option2">Option 2</option>
  <option value="option3">Option 3</option>
</select>

1. When the user selects one of the options and submits the form, capture the value of the selected option in a variable or object, depending on the context. For example, in JavaScript:

const selectedOption = document.getElementById('myDropdown').value;

or in a server-side language like PHP:

$selectedOption = $_POST['myDropdown'];

1. Store the selected value in a session variable, cookie, database, or any other storage mechanism that will persist across pages or requests. For example, in PHP:

$_SESSION['selectedOption'] = $selectedOption;

1. Redirect or navigate to the following page, and retrieve the selected value from the storage mechanism used in step 3. For example, in PHP:

$selectedOption = $_SESSION['selectedOption'];

1. Display the selected value in the following page, either directly in the HTML or through a templating or rendering engine. For example, in PHP:

<p>The selected option was: <?php echo $selectedOption; ?></p>