What is the difference between PHP and JavaScript in terms of client-side actions?

PHP is a server-side language, meaning it runs on the server before the webpage is sent to the client's browser. JavaScript, on the other hand, is a client-side language, meaning it runs on the client's browser after the webpage has been received. This difference is important when considering actions that need to be performed on the client side, such as form validation or dynamic content updates.

// PHP code cannot directly interact with the client's browser, so for client-side actions, JavaScript is typically used instead.