TypeScript: Property does not exist on type '{}'

Question

I am using Visual Studio 2013 fully patched. I am trying to use JQuery, JQueryUI and JSRender. I am also trying to use TypeScript. In the ts file I\'m getting an error as follo

Answer 1

myFunction(
        contextParamers : {
            param1: any,
            param2: string
            param3: string          
        }){
          contextParamers.param1 = contextParamers.param1+ 'canChange';
          //contextParamers.param4 = "CannotChange";
          var contextParamers2 : any = contextParamers;// lost the typescript on the new object of type any
          contextParamers2.param4 =  'canChange';
          return contextParamers2;
      }