How to enable JavaScript in Firefox

Step 1

In the address bar, type about:config and press enter.

Step 2

Click I'll be careful, I promise! on the next dialogue that comes up.

Step 3

Find the preference named javascript.enabled. To easily find the option, type the word "javascript" in the search bar.

Step 4

Right-click on javascript.enabled and select Toggle.

Step 5

Close the tab to save the settings. If you have any other tabs open, click on the Reload button so that the changes can take affect.