How to Turn on Javascript in Mozilla Firefox
Open Firefox., Type about:config into the address bar and press Enter or Return.This command opens a configuration menu not available through Firefox's regular options menu., Click I'll be careful, I promise to continue., Click in the search bar...
Step-by-Step Guide
-
Step 1: Open Firefox.
The Firefox icon depicts a fox curled around a blue globe.
If Firefox is already open, press Ctrl + T on PC, or ⌘ Command + T on Mac to open a new tabbed window. -
Step 2: Type about:config into the address bar and press Enter or Return.This command opens a configuration menu not available through Firefox's regular options menu.
To return to the config menu later without any typing, just create a bookmark to it.
After the menu comes up, create a bookmark by pressing Ctrl + D on PC, or ⌘ Command + D on Mac. , Firefox wants to make sure you know that all the settings in the about:config menu are for advanced users only.
Changing settings you aren't familiar with could cause Firefox to become unresponsive, so think twice before changing anything. , All of the settings you can change are displayed alphabetically.
Each setting has a row under the headers Preference Name, Status, Type, and Value.
Typing a specific term in the search bar clears away all other entries that don't match your target.
Another way to search is by clicking on any of the settings under the Preference Name once, and pressing the j key.
You'll automatically jump down the page to the first setting that begins with "j." Continue typing javascript to move further down the list to the option you want. , JavaScript should be enabled by default.
There's no need to do anything if Value is already set to true. , Refreshing the configurations menu causes all of your changes to take effect.
The Refresh button resembles an arrow curled into a circle, and should be located to the right of your address bar.
You can also press F5 on PC and Mac to refresh your browser. -
Step 3: Click I'll be careful
-
Step 4: I promise to continue.
-
Step 5: Click in the search bar
-
Step 6: then type javascript.enabled.
-
Step 7: If javascript.enabled's Value reads "false
-
Step 8: " double-click it to change Value to "true."
-
Step 9: Refresh your browser by clicking the Refresh button.
Detailed Guide
The Firefox icon depicts a fox curled around a blue globe.
If Firefox is already open, press Ctrl + T on PC, or ⌘ Command + T on Mac to open a new tabbed window.
To return to the config menu later without any typing, just create a bookmark to it.
After the menu comes up, create a bookmark by pressing Ctrl + D on PC, or ⌘ Command + D on Mac. , Firefox wants to make sure you know that all the settings in the about:config menu are for advanced users only.
Changing settings you aren't familiar with could cause Firefox to become unresponsive, so think twice before changing anything. , All of the settings you can change are displayed alphabetically.
Each setting has a row under the headers Preference Name, Status, Type, and Value.
Typing a specific term in the search bar clears away all other entries that don't match your target.
Another way to search is by clicking on any of the settings under the Preference Name once, and pressing the j key.
You'll automatically jump down the page to the first setting that begins with "j." Continue typing javascript to move further down the list to the option you want. , JavaScript should be enabled by default.
There's no need to do anything if Value is already set to true. , Refreshing the configurations menu causes all of your changes to take effect.
The Refresh button resembles an arrow curled into a circle, and should be located to the right of your address bar.
You can also press F5 on PC and Mac to refresh your browser.
About the Author
Stephanie Bishop
Experienced content creator specializing in crafts guides and tutorials.
Rate This Guide
How helpful was this guide? Click to rate: