What is the purpose of the JavaScript function in the PHP code provided?

The purpose of the JavaScript function in the PHP code provided is to dynamically update the content of a specific HTML element on the page without requiring a full page reload. This can be useful for creating interactive and responsive web applications. 

<?php
echo '<div id="content">Initial content</div>';
echo '<button onclick="updateContent()">Update Content</button>';

echo '<script>';
echo 'function updateContent() {';
echo 'document.getElementById("content").innerHTML = "Updated content";';
echo '}';
echo '</script>';
?>

Keywords

JavaScript function PHP code purpose provided

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