Given an array, create a function that returns an object detailing how many times each element was repeated. Sort the object by value in descending order.

Examples

countRepetitions(["cat", "dog", "cat", "cow", "cow", "cow"]) ➞ {"cow"=3, "cat"=2, "dog"=1}

countRepetitions([1, 5, 5, 5, 12, 12, 0, 0, 0, 0, 0, 0]) ➞ {0=6, 5=3, 12=2, 1=1}

countRepetitions(["Infinity", "null", "Infinity", "null", "null"]) ➞ {"null"=3, "Infinity"=2}

Notes

• The array elements can be anything from string to numeric types.
• The returned map object should be sorted in descending order by value.