How do I turn JavaScript back on in Firefox?

Enable JavaScript on Mozilla Firefox

  1. On the web browser, click the Firefox menu and select Options.
  2. In Options window, select the Content tab.
  3. Mark the Enable JavaScript checkbox.
  4. In Options window, click on the OK button to close it.
  5. Click on the Reload current page button on the web browser to refresh the page.

How do I fix JavaScript in Firefox?

Enable JavaScript in Firefox

  1. Click into the Address Bar. The more advanced settings for Firefox are only available by visiting a special url.
  2. Accept the warning about changing advanced settings.
  3. Type “javascript” into the search field.
  4. Find the “javascript.
  5. Reset the JavaScript preference.
  6. Javascript is now enabled.

Why is my back button not working on Firefox?

Open the Firefox menu and go to Settings > Privacy & Security > Cookies and Site Data > Clear Data. Next, check the boxes next to Cookies and Site Data and Cached Web Content and select Clear.

Does Firefox have JavaScript enabled?

In Firefox, JavaScript is enabled by default. However, if you or another user has disabled it, it’s easy to turn it back on.

Why Is Back Button Not Working?

Reset or reinstall your browser If the back arrow is still not working, try resetting your browser. To revert your browser to default settings, go to Settings and type Reset in the search bar. Click on the Reset button to revert your browser to its initial settings. If that didn’t work either, reinstall your browser.

How do I undo Firefox UI?

Firstly, type about:config in the address bar and hit Enter. Click on the ‘Accept the Risk and Continue’ button when it prompts….Revert to old UI Design in Firefox 89:

  1. proton. contextmenus. enabled.
  2. proton. doorhangers. enabled.
  3. proton. enabled.
  4. proton. modals. enabled.

How do I change my Firefox interface?

Switch Firefox to another language

  1. In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select OptionsPreferences. Click the menu button. and select Settings.
  2. In the Language section of the General panel, choose a language in the drop-down menu.
  3. Restart Firefox.

Does Firefox use JavaScript?

By default, Firefox enables the use of JavaScript and requires no additional installation.