The New Jersey Constitution of 1947 (Annotated) Art. IV, § VI, ¶ 2

2. The Legislature may enact general laws under which municipalities, other than counties, may adopt zoning ordinances limiting and restricting to specified districts and regulating therein, buildings and structures, according to their construction, and the nature and extent of their use, and the nature and extent of the uses of land, and the exercise of such authority shall be deemed to be within the police power of the State.  Such laws shall be subject to repeal or alteration by the Legislature.