A wireless charger includes an anti-slippery charger mat having a mat, inductive charger, power circuit board, and a plug, and a portable charging connector of the wireless charger including a casing, power inductor, receiving hole, indicator, and a connector terminal. The plug of the mat is inserted into a power socket of a vehicle, and the portable charging connector is inserted into the inductive charger of the mat through the receiving hole so that a device connected to the connector terminal of the portable charging connector can be powered or charged. The anti-slippery charger mat placed on top of a dashboard of vehicle is capable of holding objects placed on it during moving of the vehicle.