回答編集履歴
1
調整
test
CHANGED
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@@ -12,3 +12,7 @@
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12
12
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}
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13
13
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console.log(count);
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14
14
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```
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15
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+
まとめるとこう
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16
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+
```javascript
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17
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+
let count = language.filter(x=>new RegExp(body,'i').test(x)).length;
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18
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+
```
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