回答編集履歴
1
1
test
CHANGED
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@@ -19,3 +19,18 @@
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19
19
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}
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20
20
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console.log(res)
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21
21
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```
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22
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+
--- 追記 ---
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23
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申し訳ない。勘違いでした。
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24
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```javascript
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25
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const employees = [
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26
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{ firstname: 'John', lastname: 'Smith', age: 20 },
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27
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{ firstname: 'John', lastname: 'Doe', age: 10 }
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28
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];
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29
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+
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30
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const result1 = employees.map(employee => {
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31
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delete employee.firstname;
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32
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delete employee.age;
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33
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return employee;
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34
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});
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35
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console.log(result1);
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36
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```
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