function foo() { return "string"; } var condString, exprAny1, exprBoolean1, exprNumber1, exprString1, exprIsObject1, exprAny2, exprBoolean2, exprNumber2, exprString2, exprIsObject2, array = [ "1", "2", "3" ]; condString.toUpperCase; array[1]; condString.toUpperCase; array[1]; condString.toUpperCase;