Beasts (problems)

runWithDebugger.js

    function runWithDebugger(func, array) {
        if (arguments.length > 1) { // Array is passed as second argument
            debugger;
            func.apply(null, array);
            //  func(...array); // es6 way

        } else {    // Optional array is not passed.
            debugger;
            func();
        }
    }