JavaScript数组中的唯一计数，按计数排序

I have a list of names in JavaScript. What I'd like to do is get the list of unique names, but for that list of unique names also provide a count of how many there are in my original list. Furthermore, I need to sort my final list of unique names by count in descending order (then ascending order by name in case some have the same counts).I have a list of names in JavaScript. What I'd