Firefox
Follow these instructions to deactivate and disable JavaScript in Firefox.
PC & MAC
- Open a new Firefox browser window or tab.
- Copy the following then paste it into the Firefox address bar: about:config
- Hit the Enter key.
- On the following page, click the button: "I'll be careful, I promise!"
- Find the javascript.enabled row under the Preference Name heading.
- Double-click anywhere within the javascript.enabled row to toggle the value from "True" to "False".
- Finally, refresh your browser.