let object2 = Object.assign({}, object1); console.log ... While there may be just one string property, JavaScript supports a large number of methods that can be used with strings.

To retrieve it, use the ProfileLoader.getUserProfile method. Prerequisites for setting up your development environment to retrieve user properties by using the SharePoint JavaScript object model To ...

Caveats: In Javascript (perhaps not Typescript) it's possible that further unknown properties are present on any given object, so it would be appropriate to void all inferred type information which is ...