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6 changes: 3 additions & 3 deletions docs/3-web-servers/02-node-js/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -115,13 +115,13 @@ Windows の WSL では、エクスプローラーのサイドパネルから `Li

:::

続いて、開いたフォルダに `main.js` ファイルを作成し、下のスクリプトを保存します。`console.log` 関数は、画面に文章を表示させるための関数です。
続いて、開いたフォルダに `main.mjs` ファイルを作成し、下のスクリプトを保存します。拡張子が `.mjs` であることに気をつけてください。`console.log` 関数は、画面に文章を表示させるための関数です。

```javascript title=main.js
```javascript title=main.mjs
console.log("Hello World");
```

ターミナルを開き、`node main.js` コマンドを実行します。
ターミナルを開き、`node main.mjs` コマンドを実行します。

![Hello Worldを実行](./run-hello-world.png)

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@@ -0,0 +1,3 @@
const sub = require("./sub"); // sub = { add: (a, b) => { return a + b; } }
const add = sub.add;
console.log(add(3, 4));
3 changes: 3 additions & 0 deletions docs/3-web-servers/03-module/_samples/commonjs-modules/sub.js
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@@ -0,0 +1,3 @@
exports.add = (a, b) => {
return a + b;
};
2 changes: 2 additions & 0 deletions docs/3-web-servers/03-module/_samples/default-export/main.mjs
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@@ -0,0 +1,2 @@
import add from "./sub.mjs";
console.log(add(3, 4));
3 changes: 3 additions & 0 deletions docs/3-web-servers/03-module/_samples/default-export/sub.mjs
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@@ -0,0 +1,3 @@
export default function add(a, b) {
return a + b;
}

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3 changes: 0 additions & 3 deletions docs/3-web-servers/03-module/_samples/math-js/main.js

This file was deleted.

182 changes: 0 additions & 182 deletions docs/3-web-servers/03-module/_samples/math-js/package-lock.json

This file was deleted.

2 changes: 2 additions & 0 deletions docs/3-web-servers/03-module/_samples/mathjs/main.mjs
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@@ -0,0 +1,2 @@
import { derivative } from "mathjs";
console.log(derivative("log(x, e)", "x").toString());
111 changes: 111 additions & 0 deletions docs/3-web-servers/03-module/_samples/mathjs/package-lock.json

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

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@@ -1,14 +1,12 @@
{
"name": "math-js",
"name": "mathjs",
"version": "1.0.0",
"description": "",
"main": "main.js",
"scripts": {
"start": "node main.js"
"start": "node main.mjs"
},
"author": "",
"license": "MIT",
"dependencies": {
"mathjs": "^11.8.0"
"mathjs": "^11.11.0"
}
}
3 changes: 3 additions & 0 deletions docs/3-web-servers/03-module/_samples/named-export/main.mjs
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@@ -0,0 +1,3 @@
import { add, subtract } from "./sub.mjs";
console.log(add(3, 4));
console.log(subtract(4, 3));
7 changes: 7 additions & 0 deletions docs/3-web-servers/03-module/_samples/named-export/sub.mjs
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@@ -0,0 +1,7 @@
export function add(a, b) {
return a + b;
}

export function subtract(a, b) {
return a - b;
}
2 changes: 2 additions & 0 deletions docs/3-web-servers/03-module/_samples/write-with-fs/main.mjs
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@@ -0,0 +1,2 @@
import { writeFileSync } from "fs";
writeFileSync("./sample.txt", "Hello World");
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