Below are the steps to enable JavaScript on several popular browsers. The steps are based on the current version of those browsers. If you use an older version, please try to locate the same option under similar setting categories.
Google Chrome™
Click the setting icon on the top right corner, then select 'Settings' from the dropdown menu. Click 'Show advanced settings...'. Under Privacy click 'Content settings...'. Click 'Allow all sites to run JavaScript'.
Internet Explorer®
In Desktop mode:
Click the tools menu. Click 'Internet options'.
Click the 'Security' tab and then click the 'Custom Level' button.
Find the 'Scripting' category and click 'Enable' under 'Active Scripting'.
In Metro mode:
Open the Control Panel, select 'Network and Internet'.
Select 'Internet Options'.
Click the 'Security' tab and then click the 'Custom Level' button.
Find the 'Scripting' category and click 'Enable' under 'Active Scripting'.
Microsoft Edge®
NOTE: This method will modify a group policy setting that would have been set by your network administrator.
You may not have access to this setting, but you should check with your administrator before modifying it.
Right-click on the Windows icon in the taskbar and then click Run.
In the open box, type gpedit.msc and then click OK.
In the Local Computer Policy, click Computer Configuration.
Click Administrative Templates, then click Windows Components.
Click Microsoft Edge, then double-click "Allows you to run scripts, like Javascript".
Select Enabled then click OK.
FireFox®
In the address bar enter 'about:config' without the quotation marks. Click "I'll be careful, I promise". In the search bar enter 'javascript.enabled' (again without the quotation marks). Double click on the 'javascript.enabled' line to change the value from false to true.
Safari®
Click the settings menu. Click 'Preferences...'. Click 'Security'. Select the 'Enable JavaScript' option.
Opera™
On the Menu, mouse over 'Settings' and mouse over 'Quick Preferences'. Click 'Enable JavaScript'.