/* The ++ operator increments the stored number by 1. If the ++ operator comes after the variable (e.g., counter++), the variable's value is returned first and then incremented: */ let counter = 0; //=> undefined counter++; //=> 0 counter; //=> 1 /*If the ++ operator comes before the variable (e.g., ++counter), the variable's value is incremented first and then returned:*/ let counter = 0; //=> undefined ++counter; //=> 1 counter; //=> 1