DAY 4: Counter II

Write a function createCounter. It should accept an initial integer init. It should return an object with three functions.

The three functions are:

increment() increases the current value by 1 and then returns it.
decrement() reduces the current value by 1 and then returns it.
reset() sets the current value to init and then returns it.

var createCounter = function(init) {
    
};

Example 1:
Input: init = 5, calls = ["increment","reset","decrement"]
Output: [6,5,4]

Example 2:
Input: init = 0, calls = ["increment","increment","decrement","reset","reset"]
Output: [1,2,1,0,0]

var createCounter = function(init) {
    let currentValue = init;
    return {
        increment: () => currentValue+=1,
        reset: () => currentValue = init,
        decrement: () => currentValue-=1,
    };
};