回答編集履歴
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追記
test
CHANGED
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@@ -10,7 +10,7 @@
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```
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```json
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{
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@@ -39,6 +39,8 @@
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let m;
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if( m = prop.match(/^(sample\d+)_(.*)/) ) { // 文字列処理（正規表現）
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//console.log(m)
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let [_, grp, key] = m;
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@@ -73,3 +75,77 @@
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※要件をまとめるコツは、リファレンスや他者の質疑などの**活字**を真似て、どのような言い回しが**幅広い年齢に伝わるのか**を推敲し、箇条書きにすることです。
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追記）
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もう一案
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86
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```json
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{
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"sample4":{"number":4,"name":"リンゴ","life":1,"five":"1個"},
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"sample21":{"number":21,"name":"バナナ","life":5,"five":"2個"}
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}
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```
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```javascript
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var data = datas[0];
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var tmp = {};
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for( var prop in data ) {
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let m;
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if( m = prop.match(/^(sample(\d+))_(.*)/) ) { // number に相当する箇所を抽出
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//console.log(m)
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let [_, grp, num, key] = m;
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if( !tmp[grp] ) tmp[grp] = {};
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if( key==="number" ) {
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tmp[grp][key] = num|0;
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tmp[grp].name = data[prop].value;
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}
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else {
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tmp[grp][key] = data[prop].value;
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}
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}
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}
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console.log( JSON.stringify( tmp ) );
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var rslt;
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Object.values(tmp).some( item=>item.name==="バナナ"&&(rslt=item) );
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console.log( rslt );
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// => {"number":21,"name":"バナナ","life":5,"five":"2個"}
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```
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