tests/cases/conformance/expressions/unaryOperators/typeofOperator/typeofOperatorInvalidOperations.ts(4,15): error TS1005: ',' expected. tests/cases/conformance/expressions/unaryOperators/typeofOperator/typeofOperatorInvalidOperations.ts(4,22): error TS1109: Expression expected. tests/cases/conformance/expressions/unaryOperators/typeofOperator/typeofOperatorInvalidOperations.ts(7,19): error TS1109: Expression expected. ==== tests/cases/conformance/expressions/unaryOperators/typeofOperator/typeofOperatorInvalidOperations.ts (3 errors) ==== // Unary operator typeof // opreand before typeof var ANY = ANY typeof ; //expect error ~~~~~~ !!! error TS1005: ',' expected. ~ !!! error TS1109: Expression expected. // miss an operand var ANY1 = typeof ; ~ !!! error TS1109: Expression expected.