Google Chrome
Click the three vertical dots (More options) in the top-right corner of the window
Click Settings
On the left sidebar, click Privacy and security, then click Site settings in the center
Scroll down to the Content section and click JavaScript
Select the option Sites can use JavaScript
(Note: If you are on an Android device, go to Settings > Site settings > JavaScript and turn it on)
Mozilla Firefox
JavaScript is enabled by default in Firefox, but if it was turned off, you can reactivate it here:
Type about:config in the address bar and press Enter
Click the Accept the Risk and Continue button if a warning appears
Type javascript.enabled into the search bar at the top
Look for the javascript.enabled row. If it says false, click the Toggle button on the far right to change it to true
Apple Safari (Mac)
Click Safari in the top menu bar and choose Settings (or Preferences)
Click the Security tab at the top of the window
Next to Web content, check the box for Enable JavaScript
Microsoft Edge
Click the three horizontal dots (More menu) in the top-right corner
Select Settings
Click Cookies and site permissions on the left menu
Scroll down and click on JavaScript
Toggle the switch next to Allowed (recommended) to the On position
CHROME - Windows
Click the three dots in the upper right corner
Select Settings
Click Advanced at the bottom
Under Privacy and security, click Site Settings
Select Cookies and check Allow sites to save and read cookie data (if needed)
Select Javascript and check Allowed
CHROME - Mac
Go to the Chrome menu and select Preferences
Click on the Advanced tab
Click on Privacy and Security
Click Site Settings
Select Cookies and site data and check Allowed (if needed)
Select Javascript and check Allowed
FIREFOX - Windows
In Firefox, type about:config in the address bar, then press Enter
Select the I accept the risk! button
Type javascript in the Search box
Ensure javascript.enabled is set to true
Click the three horizontal lines in the upper right corner
Click Options or Preferences
Click Privacy & Security on the left
Under the History heading, set Firefox will to Remember History
FIREFOX - Mac
From the Tools menu, click Preferences
Click the Content tab
Click to enable Javascript or Java
Close the window
Refresh the browser by either using the shortcut keys Cmd+R or by using the reload button on the toolbar
SAFARI - Windows
Click Safari in the menu bar and choose Preferences
From the Preferences dialog box that opens, select the Security tab along the top
Next to Web Content, check the Enable JavaScript box
Select the Privacy tab along the top
Next to Cookies and website data, make sure Block all cookies is unchecked
SAFARI - Mac
Click on the Safari menu bar and select Preferences
From the Preferences dialog box that opens, select the Security (padlock icon) along the top
Next to Web Content, check the Enable JavaScript box
To enable cookies, select the Privacy tab along the top
Next to Cookies and website data, make sure Block all cookies is unchecked