Merge pull request #537 from ut-code/sato-increment-age

Author: na-trium-144

docs/1-trial-session/11-object/_samples/incrementAge/script.js

@@ -4,5 +4,9 @@ function incrementAge(person) {
 }
 
 const tanaka = { name: "田中", age: 18 };
+const sato = { name: "佐藤", age: 22 };
 const nextYearTanaka = incrementAge(tanaka);
-document.write(nextYearTanaka.age);
+const nextYearSato = incrementAge(sato);
+document.write(
+  `田中は ${nextYearTanaka.age} 歳、佐藤は ${nextYearSato.age} 歳`,
+);

docs/1-trial-session/11-object/index.mdx

@@ -143,8 +143,13 @@ function incrementAge(person) {
 }
 
 const tanaka = { name: "田中", age: 18 };
+const sato = { name: "佐藤", age: 22 };
 const nextYearTanaka = incrementAge(tanaka);
-document.write(nextYearTanaka.age); // 19 と表示されてほしい
+const nextYearSato = incrementAge(sato);
+// 19 歳、23 歳 と表示されてほしい
+document.write(
+  `田中は ${nextYearTanaka.age} 歳、佐藤は ${nextYearSato.age} 歳`,
+);
 ```
 
 <Answer title="年齢を増やす">
@@ -156,8 +161,12 @@ function incrementAge(person) {
 }
 
 const tanaka = { name: "田中", age: 18 };
+const sato = { name: "佐藤", age: 22 };
 const nextYearTanaka = incrementAge(tanaka);
-document.write(nextYearTanaka.age);
+const nextYearSato = incrementAge(sato);
+document.write(
+  `田中は ${nextYearTanaka.age} 歳、佐藤は ${nextYearSato.age} 歳`,
+);
 ```
 
 <ViewSource url={import.meta.url} path="_samples/incrementAge" />