What are some common mistakes beginners make when trying to combine PHP and JavaScript functionalities?

One common mistake beginners make when combining PHP and JavaScript functionalities is trying to directly use PHP variables or functions in JavaScript code without properly passing them. To solve this issue, you can use AJAX to send requests to a PHP script that returns the necessary data to the JavaScript code. 

<?php
// PHP code to handle AJAX request and return data
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
    $data = ['message' => 'Hello from PHP!'];
    echo json_encode($data);
}
?>

Keywords

PHP JavaScript integration syntax errors cross-origin requests

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