What are the potential pitfalls of mixing PHP and JavaScript code in the same file?

Mixing PHP and JavaScript code in the same file can lead to confusion, readability issues, and potential errors. To solve this problem, it's recommended to separate PHP and JavaScript code into different files or use PHP to generate JavaScript code when necessary. 

<?php
// Separate PHP and JavaScript code into different files
// PHP file
?>

<!DOCTYPE html>
<html>
<head>
    <title>Example</title>
</head>
<body>
    <p>This is a PHP file</p>

    <script src="script.js"></script>
</body>
</html>

Keywords

PHP JavaScript code mixing compatibility debugging

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