Enable JavaScript - Microsoft Support
You might have to enable JavaScript within your browser in order to ensure that your features work as expected. Instructions for enabling JavaScript vary by browser. Select your browser from the list to learn how.
Applies To: Office 2013, SharePoint in Microsoft 365, Office for business, Lync Web App for Lync Online, Lync Web App, Office 2010, Lync Web App operated by 21Vianet