Since you are an NJ resident, all your income is taxable by NJ, regardless of where you earned it.
NY can tax the portion of your income that you earned in NY.
NJ will credit you for the tax paid to NY on the portion of your income taxed by both states.
In TurboTax, complete the non-resident NY tax return first, before you do your resident state NJ return, so that the program can calculate and apply the credit.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
