What are some best practices for generating and debugging PHP-generated JS code?

When generating and debugging PHP-generated JS code, it is important to properly escape any dynamic PHP variables to prevent syntax errors. Additionally, using PHP functions like json_encode() can help ensure that data is properly formatted for use in JavaScript. To debug PHP-generated JS code, you can use browser developer tools to inspect network requests and console logs for any errors. Example PHP code snippet demonstrating proper escaping and formatting of PHP variables for JavaScript:

<?php
$data = array(
    'name' => 'John Doe',
    'age' => 30,
    'email' => 'john.doe@example.com'
);

// Encode PHP array as JSON for JavaScript use
$encoded_data = json_encode($data);
?>

<script>
// Use PHP-generated JSON data in JavaScript
var userData = <?php echo $encoded_data; ?>;

// Output user data to console for debugging
console.log(userData);
</script>