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How to write a function using array and sort() in JavaScript?

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Last Modified: 2013-12-23
Hi, I need to write a function in Java Script that takes a score list of any length as a parameter, and returns the list of grades
associated with those scores.


For example, if there are following scores:

   93, 93, 90, 88, 87, 87, 86, 85, 85, 85, 74, 72,61, 54

The first 4 scores ( 93, 93, 90, 88) would be an A, next 4  (87, 87, 86, 85) would be a B, next 4  (74, 72,61, 54) would be a C,
etc

there should be  a sort() function which will sort a
list of elements in an array or list.  

thanks
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