Enable / Disable SharePoint Designer access to Site Collection

The code snippets in below examples used to disable or enable the SharePoint Designer access to Site Owners and Site Designers using SharePoint JSOM.

Properties Used: SP.Site.allowDesigner (SP.js)
Supports: SharePoint Online, SharePoint 2010 +

SP.Site.get_allowDesigner() – This property used to get the boolean value, whether the designer access is enabled in Site Collection

SP.Site.set_allowDesigner(true) – This property with true as a parameter used to the enable the SharePoint Designer access to the Site Collection.

SP.Site.set_allowDesigner(false) – This property with false as a parameter used to the disable the SharePoint Designer access to the Site Collection.

Enable SharePoint Designer Access:

Disable SharePoint Designer Access:

This property will not affect the Site Collection Administrators and this property setting only affects the site users.