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getting top five from array

getting top five from array

(OP)
I have a function that gets the number of submitted tickets for each user. How do I make this get the top five submitters (and their respective ticket totals) and lump the rest of the count into "other." This data is being pulled from a database. thanks!

CODE

var user_burt_count = [];
for ( var i=0; i < data.length; i++ ) {            
                var submitter = data[i].sub_by;
                if( !( submitter in user_burt_count ) ) {
                                user_burt_count[submitter] = 1;
                }
                else {
                   user_burt_count[submitter]++;
                }
} 

--- You must not fight too often with one enemy, or you will teach him all your tricks of war.

RE: getting top five from array

Hi

Well just sort them, then sum all starting at 5th item.

In this code you will have the resulting top 5 + 1 elements in object top :

CODE --> JavaScript

var order = Object.keys(user_burt_count).sort(function(a, b) {
  return user_burt_count[b] - user_burt_count[a]
})

var top = {}, other = 0
for (var i = 0, l = order.length; i < l; i++)
  if (i < 5)
    top[order[i]] = user_burt_count[order[i]]
  else
    other += user_burt_count[order[i]]

if (other)
  top['other'] = other 

See it in action on http://jsfiddle.net/LLkM8/ .

If I misunderstood you, please clarify the requirements.

Feherke.
feherke.ga

RE: getting top five from array

(OP)
perfect, thanks!

--- You must not fight too often with one enemy, or you will teach him all your tricks of war.

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