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  1. obj = [{"_id":"4940dgfd95jfsd9","score":15,"user":0,"type":"xxx"},
  2.   {"_id":"4940dsdsvhjttt89","score":4,"user":0,"type":"yyy"},
  3.   {"_id":"4941dgfdsdfggd9","score":7,"user":0,"type":"yyy"},
  4.   {"_id":"4941dfds43rfsff9","score":21,"user":1,"type":"yyy"},
  5.   {"_id":"4941dgfd93jfsd0","score":15,"user":1,"type":"xxx"},
  6.   {"_id":"4942dgdsadvfd9","score":8,"user":1,"type":"yyy"},
  7.   {"_id":"4942dgfdaefcod8","score":4,"user":2,"type":"yyy"},
  8.   {"_id":"4942dgfdsarfsd1","score":32,"user":2,"type":"yyy"},
  9.   {"_id":"4943dgfddasjfsd5","score":20,"user":2,"type":"xxx"},
  10.   {"_id":"4943dasrtqxrfsd9","score":15,"user":3,"type":"xxx"},
  11.   {"_id":"4943dgfooorafsd8","score":15,"user":3,"type":"yyy"},
  12.   {"_id":"4944dgfddadfsd3","score":15,"user":3,"type":"yyy"},
  13.   {"_id":"4944dgfddadfsd4","score":15,"user":3,"type":"yyy"},
  14.   {"_id":"4944dgfd9dssdc4","score":15,"user":4,"type":"xxx"},
  15.   {"_id":"4944dgdacbbrttt9","score":19,"user":4,"type":"yyy"},
  16.   {"_id":"4945dgfsaddddd5","score":15,"user":4,"type":"xxx"}]
  17.  
  18. //obj.forEach(function(el){print(el)})
  19. //obj.forEach(function(el)print(el.user, el.type, el.score))
  20.  
  21. print("LENGTH BEFORE: ", obj.length)
  22.  
  23. var user, idx, count, score
  24. for (var i=obj.length - 1; i > -1; i--){
  25. 	if (obj[i].user !== user || i === 0){
  26. 		if (count > 1){
  27. 			idx.forEach(function(i){
  28. 				obj.splice(i, 1)
  29. 			});
  30. 		}
  31. 		user = obj[i].user
  32. 		count = 0
  33. 		score = Infinity
  34. 	}
  35. 	if (obj[i].type === 'yyy'){
  36. 		count++
  37. 		if (obj[i].score < score) {
  38. 			idx = [i]
  39. 			score = obj[i].score
  40. 		} else if (obj[i].score == score) {
  41. 			idx.push(i)
  42. 		}
  43. 	}
  44. }
  45.  
  46. print("LENGTH AFTER: ", obj.length)
  47. obj.forEach(function(el)print(el.user, el.type, el.score))
  48.  
  49. //obj.forEach(function(el){print(el)})
Success #stdin #stdout 0.48s 322816KB
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stdin
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Standard input is empty
stdout
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LENGTH BEFORE:  16
LENGTH AFTER:  10
0 xxx 15
0 yyy 7
1 yyy 21
1 xxx 15
2 yyy 32
2 xxx 20
3 xxx 15
4 xxx 15
4 yyy 19
4 xxx 15
https://ideone.com/I1AEDq
language:
JavaScript (rhino 1.7.9)
created:
8 years ago
visibility:
public

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