回答編集履歴
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追記
test
CHANGED
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@@ -57,3 +57,39 @@
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57
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},{});
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```
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#####追記
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66
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67
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コメントを受けて、アロー式を普通の関数で書き直しました。
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68
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69
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```javascript
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var attendance_and_vehicle = Object.keys(attendance).reduce( function(dict, key){
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var target = attendance[key];
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target.vehicle = (
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Object.keys(data).map(
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function(key){ return data[key] }
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).filter(
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function(dataN){ return ( target.date==dataN.date && target.name==dataN.name ) }
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)[0] || {}
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).vehicle;
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dict[key]= target;
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return dict;
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},{});
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```
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