What are the best practices for integrating PHP variables with JavaScript to update content dynamically on a webpage?

When integrating PHP variables with JavaScript to update content dynamically on a webpage, one common approach is to use AJAX to fetch data from the server. You can pass PHP variables to JavaScript by echoing them into a JavaScript variable or using JSON to encode the data. This allows you to update the webpage without refreshing it, providing a seamless user experience. 

<?php
// PHP variable to pass to JavaScript
$dynamic_content = "Hello, world!";

// Echo the PHP variable into a JavaScript variable
echo "<script> var dynamicContent = '" . $dynamic_content . "'; </script>";
?>

Keywords

PHP JavaScript variables dynamic content webpage

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