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人口が減った都道府県ランキングの実装 #1831

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人口が減った都道府県ランキングの実装 #1831

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6 changes: 3 additions & 3 deletions app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,10 +33,10 @@ rl.on('close', () => {
value.change = value.popu15 / value.popu10;
}
const rankingArray = Array.from(prefectureDataMap).sort((pair1, pair2) => {
return pair2[1].change - pair1[1].change;
return pair1[1].change - pair2[1].change;
});
const rankingStrings = rankingArray.map(([key, value]) => {
return key + ': ' + value.popu10 + '=>' + value.popu15 + ' 変化率:' + value.change;
const rankingStrings = rankingArray.map((pair, i) => {
return (i + 1)+ '位 ' + pair[0] + ': ' + pair[1].popu10 + '=>' +pair[1].popu15 + ' 変化率:' + pair[1].change;
});
console.log(rankingStrings);
});