質問編集履歴
2
文法修正
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File without changes
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@@ -4,10 +4,10 @@
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```react
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const fruits =[
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{id: 0, title: apple, items: 3, condition: "good"},
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{id: 0, title: "apple", items: 3, condition: "good"},
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{id: 1, title: orange, items: 5, condition: "good"},
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{id: 1, title: "orange", items: 5, condition: "good"},
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{id: 2, title: kiwi, items: 1, condition: "
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{id: 2, title: "kiwi", items: 1, condition: "good"},
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{id: 3, title: cherry, items: 2, condition: "
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{id: 3, title: "cherry", items: 2, condition: "Bad"},
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]
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```
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上記の配列があったとして、`condition`の値を一括で全て`"Bad"`にしたい場合はどのようにすれば良いでしょうか。
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```react
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const disposal =[
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{id: 0, title: apple, items: 3, condition: "Bad"},
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{id: 0, title: "apple", items: 3, condition: "Bad"},
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{id: 1, title: orange, items: 5, condition: "Bad"},
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{id: 1, title: "orange", items: 5, condition: "Bad"},
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{id: 2, title: kiwi, items: 1, condition: "Bad"},
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{id: 2, title: "kiwi", items: 1, condition: "Bad"},
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{id: 3, title: cherry, items: 2, condition: "Bad"},
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{id: 3, title: "cherry", items: 2, condition: "Bad"},
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]
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```
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###試したこと
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```react
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const fruits =[
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{id: 0, title: apple, items: 3, condition: "good"},
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{id: 0, title: "apple", items: 3, condition: "good"},
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{id: 1, title: orange, items: 5, condition: "good"},
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{id: 1, title: "orange", items: 5, condition: "good"},
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{id: 2, title: kiwi, items: 1, condition: "Bad"},
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{id: 2, title: "kiwi", items: 1, condition: "Bad"},
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{id: 3, title: cherry, items: 2, condition: "good"},
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{id: 3, title: "cherry", items: 2, condition: "good"},
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]
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console.log(fruits[0].title)
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///apple と出力
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@@ -40,7 +40,7 @@
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id: [index],
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title: fruits[index].title,
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items: fruits[index].itemes,
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condition: "Bad"
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condition: "Bad",
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};
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});
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1
試行したことを追記
title
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body
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@@ -24,7 +24,32 @@
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]
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```
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+
###試したこと
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```react
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const fruits =[
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{id: 0, title: apple, items: 3, condition: "good"},
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{id: 1, title: orange, items: 5, condition: "good"},
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{id: 2, title: kiwi, items: 1, condition: "Bad"},
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{id: 3, title: cherry, items: 2, condition: "good"},
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]
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console.log(fruits[0].title)
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///apple と出力
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const disposal = fruits.map((index) => {
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return {
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id: [index],
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title: fruits[index].title,
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items: fruits[index].itemes,
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condition: "Bad";
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};
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});
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console.log(disposal)
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///出力失敗
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```
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### 補足情報
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react初心者です。１、２ヶ月前からreactを触っていますが、純粋なJavaScriptは未経験です。すみません。
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