JavaScript is enabled for all websites by default in Mozilla Firefox.
To manage your cookie preferences in Google Chrome, refer to the instructions under Change your cookie settings in the following article from Google Chrome Help: This means that all webpages with a web address beginning (such as allow JavaScript. If you prefer to enable JavaScript only for webpages that are part of the domain, follow the steps below: To enable JavaScript for all websites that you visit using Google Chrome, refer to the instructions under Step 1: Turn on JavaScript in the following article from Google Chrome Help:
To enable JavaScript and / or cookies, refer to the information in the relevant section below according to your web browser: This is because the Avast Store is unable to load and function correctly without these settings enabled. When you make a purchase via the Avast Store, you may be notified that you need to enable JavaScript and / or cookies in your web browser.
Enabling JavaScript and cookies in your web browser