How does JavaScript play a role in creating drop-down menus that open links upon selection, and how does it differ from PHP?

JavaScript is commonly used to create interactive drop-down menus that open links upon selection. By using JavaScript event listeners and functions, you can dynamically show and hide menu options based on user interaction. This differs from PHP, which is a server-side language used for processing data and generating dynamic content on the server before sending it to the client. ```html <!DOCTYPE html> <html> <head> <title>Drop-down Menu</title> <script> function openLink() { var selectedValue = document.getElementById("menu").value; if (selectedValue !== "") { window.open(selectedValue, "_blank"); } } </script> </head> <body> <select id="menu" onchange="openLink()"> <option value="">Select an option</option> <option value="https://www.example.com">Example Link</option> <option value="https://www.google.com">Google Link</option> </select> </body> </html> ```

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JavaScript drop-down menus links selection PHP

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