Custom JS is available as an add-on to the pro plan.

Custom JS allows you to add custom executable code globally. It is the equivalent of adding a <script> tag with JS code into every page.

Adding script.js

For example, you can add the following script.js file to enable Google Analytics across the entire documentation.

window.dataLayer = window.dataLayer || [];
function gtag() {
  dataLayer.push(arguments);
}
gtag('js', new Date());

gtag('config', 'TAG_ID');

Please use with caution to not introduce security vulnerabilities.