# Editing JS & CSS files

When you edit a JS or CSS files in PrestaShop, you may need to clear the browser cache to see the changes.


Additionally, you may need to clear the PrestaShop cache if the smart cache for CSS & JS is enabled.

To check if the smart cache is enabled, go to

Advanced Parameters > Performance

and look for the Smart cache for CSS and Smart cache for JavaScript options.

To clear the PrestaShop cache, go to

Advanced Parameters > Performance page and click the Clear cache button.


If you are using a CDN, you may also need to clear the CDN cache.