JavaScript ranks()

1 개요

JavaScript ranks()

JavaScript

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var arr = [79, 5, 18, 18, 32];
var sorted = arr.slice().sort(function(a,b){return b-a});
var ranks = arr.slice().map(function(v){ return sorted.indexOf(v)+1 });
console.log( ranks ); // [1, 5, 3, 3, 2]

▶	[1, 5, 3, 3, 2]

JavaScript

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function ranks(arr) {
	var sorted = arr.slice().sort(function(a,b){return b-a});
	return arr.slice().map(function(v){ return sorted.indexOf(v)+1 });
}
console.log( ranks([79, 5, 18, 18, 32]) ); // [1, 5, 3, 3, 2]

▶	[1, 5, 3, 3, 2]

2 같이 보기

• 함수 ranks()

3 참고

• https://stackoverflow.com/questions/14834571/ranking-array-elements