Hello, Firefox does not include a setting to disable [http://wikipedia.org/wiki/JavaScript JavaScript] but you can still disable it by installing an add-on, such as: *[https://addons.mozilla.org/firefox/addon/noscript/ No-Script] (to disable JavaScript on a per page basis, as required) * [https://addons.mozilla.org/firefox/addon/javascript-toggler/ JavaScript Toggle On and Off (WebExtension)] * [https://addons.mozilla.org/firefox/addon/javascript-control/ Javascript Control] * [https://addons.mozilla.org/firefox/addon/whitelist-javascript/ Whitelist or Blacklist JavaScript] For more information, see [[JavaScript settings and preferences for interactive web pages]].