The static C# method I've been using, for example, simply returns a string: [JSInvokable] public static string SayHelloCS(string name, string salutation) { return "Hello, " + salutation + " " + name; ...

The title says it all: how would you manipulate strings in C# without the system libraries? I got this question recently in an interview and I've been stumped by it since. It's one of those things ...