Firefox no longer has the option to enable JavaScript from its menu. However, you can still access this setting at your own risk.

1. In the search field, type about:config
2. Select Accept the Risk and Continue.
3. Search for javascript.enabled.
4. On the right, toggle its setting to true.
5. Close the tab.

1. Go to the Chrome menu and select Settings.
2. Under Privacy and security, click Site Settings.
3. Scroll down to the Content section and select JavaScript .
4. Select Sites can use JavaScript.
5. Close the window.

1. From the main menu at the top, select Safari > Preferences...
2. Go to the Security tab.
3. In the Web content section, make sure the Enable JavaScript check box has been checked.
4. Close the window.

1. Click the Settings and more icon at the top right of the Edge browser window.
2. Click Settings.
3. From the Settings menu, click Cookies and site permissions.
4. Scroll down and click on JavaScript.
5. In the JavaScript window, toggle the slider to "on" or "allowed."
6. Close the Settings tab.
7. Refresh the page.