What best practices should be followed when integrating PHP and JavaScript for dynamic webpage interactions?

When integrating PHP and JavaScript for dynamic webpage interactions, it is important to separate server-side logic (PHP) from client-side logic (JavaScript). This can be achieved by using AJAX requests to communicate between the two languages. Additionally, it is recommended to use JSON for data interchange to ensure compatibility between PHP and JavaScript. 

<?php
// PHP code to handle AJAX request
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $data = json_decode(file_get_contents("php://input"), true);
    
    // Perform server-side logic here
    
    $response = ['message' => 'Success'];
    echo json_encode($response);
}
?>

Keywords

PHP JavaScript AJAX jQuery DOM manipulation

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