回答編集履歴
2
テキスト修正
test
CHANGED
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@@ -12,7 +12,19 @@
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12
12
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13
13
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```javascript
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14
14
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15
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+
let list = [
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16
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+
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17
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"13-10", "12-11", "13-11", "13-12", "12-12", "13-13",
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18
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19
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"13-14", "13-15", "13-16", "13-17", "12-13"];
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20
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21
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22
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15
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-
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23
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list = list.filter(e => e.startsWith('13-')); // => '13-' で始まる要素を抽出
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24
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25
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26
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27
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console.log(list);
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16
28
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17
29
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```
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18
30
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1
テキスト修正
test
CHANGED
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@@ -15,3 +15,5 @@
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15
15
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const filteredList = list.filter(e => e.startsWith('13-'));
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16
16
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17
17
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```
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18
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19
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- **動作確認用 CodePen: **[https://codepen.io/jun68ykt/pen/ExaoZbd?editors=0012](https://codepen.io/jun68ykt/pen/ExaoZbd?editors=0012)
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