How to obtain a .NET System.Type object in JScript?

There is an old .ASPX page using "javascript" (JScript) as the page language.

And there is a C# method in a referenced assembly that should be invoked.

public void IX Locate(Type x)

Using C# this method can be invoked by supplying the corresponding Type object.

var o = locator.Locate(typeof(XImpl));

However, in JScript typeof operator always returns string instead of a desired Type object.

• How is it possible to obtain the System.Type object in JScript (and invoke this method)?

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I've been looking around the dated/introductory JScript documentation and have been unable to find a stuiable operator or method.