回答編集履歴
1
chousei
test
CHANGED
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@@ -2,7 +2,7 @@
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2
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```javascript
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5
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-
const res=data.map(x=>x.sellingItem.map(
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5
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+
const res=data.map(x=>x.sellingItem.map(x=>typeof x.order!=="undefined"));
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6
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console.log(res);
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8
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