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ja: Format /learn/javascript using Prettier #14557

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merged 3 commits into from
Jul 28, 2023
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ja: Format /learn/javascript using Prettier #14557

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b9e9e55
ja: Format /learn/javascript using Prettier
queengooborg Jul 23, 2023
1217eeb
Revert unwanted changes
queengooborg Jul 24, 2023
919d913
Merge branch 'main' into ja/prettier/learn/javascript
queengooborg Jul 27, 2023
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1 change: 0 additions & 1 deletion .prettierignore
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,6 @@ build/

# ja
/files/ja/learn/css/**/*.md
/files/ja/learn/javascript/**/*.md
/files/ja/learn/server-side/**/*.md
/files/ja/mozilla/**/*.md
/files/ja/mdn/**/*.md
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43 changes: 22 additions & 21 deletions files/ja/learn/javascript/asynchronous/implementing_a_promise-based_api/index.md
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Expand Up @@ -48,16 +48,16 @@ div {
```

```js
const output = document.querySelector('#output');
const button = document.querySelector('#set-alarm');
const output = document.querySelector("#output");
const button = document.querySelector("#set-alarm");

function setAlarm() {
setTimeout(() => {
output.textContent = '起きて！';
output.textContent = "起きて！";
}, 1000);
}

button.addEventListener('click', setAlarm);
button.addEventListener("click", setAlarm);
```

{{EmbedLiveSample("Wrapping setTimeout()", 600, 100)}}
Expand All @@ -76,7 +76,7 @@ button.addEventListener('click', setAlarm);
function alarm(person, delay) {
return new Promise((resolve, reject) => {
if (delay < 0) {
throw new Error('アラームの待ち時間を負数にすることはできません。');
throw new Error("アラームの待ち時間を負数にすることはできません。");
}
setTimeout(() => {
resolve(`${person}、起きて！`);
Expand Down Expand Up @@ -122,26 +122,28 @@ button {
```

```js
const name = document.querySelector('#name');
const delay = document.querySelector('#delay');
const button = document.querySelector('#set-alarm');
const output = document.querySelector('#output');
const name = document.querySelector("#name");
const delay = document.querySelector("#delay");
const button = document.querySelector("#set-alarm");
const output = document.querySelector("#output");

function alarm(person, delay) {
return new Promise((resolve, reject) => {
if (delay < 0) {
throw new Error('アラームの待ち時間を負数にすることはできません。');
throw new Error("アラームの待ち時間を負数にすることはできません。");
}
setTimeout(() => {
resolve(`${person}、起きて！`);
}, delay);
});
}

button.addEventListener('click', () => {
button.addEventListener("click", () => {
alarm(name.value, delay.value)
.then((message) => output.textContent = message)
.catch((error) => output.textContent = `アラームを設定できません: ${error}`);
.then((message) => (output.textContent = message))
.catch(
(error) => (output.textContent = `アラームを設定できません: ${error}`),
);
});
```

Expand Down Expand Up @@ -180,28 +182,27 @@ button {
```

```js
const name = document.querySelector('#name');
const delay = document.querySelector('#delay');
const button = document.querySelector('#set-alarm');
const output = document.querySelector('#output');
const name = document.querySelector("#name");
const delay = document.querySelector("#delay");
const button = document.querySelector("#set-alarm");
const output = document.querySelector("#output");

function alarm(person, delay) {
return new Promise((resolve, reject) => {
if (delay < 0) {
throw new Error('アラームの待ち時間を負数にすることはできません。');
throw new Error("アラームの待ち時間を負数にすることはできません。");
}
setTimeout(() => {
resolve(`${person}、起きて！`);
}, delay);
});
}

button.addEventListener('click', async () => {
button.addEventListener("click", async () => {
try {
const message = await alarm(name.value, delay.value);
output.textContent = message;
}
catch (error) {
} catch (error) {
output.textContent = `アラームを設定できません: ${error}`;
}
});
Expand Down
40 changes: 22 additions & 18 deletions files/ja/learn/javascript/asynchronous/introducing/index.md
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Expand Up @@ -43,7 +43,7 @@ l10n:
以下のようなコードを考えてみましょう。

```js
const name = 'Miriam';
const name = "Miriam";
const greeting = `Hello, my name is ${name}!`;
console.log(greeting);
// "Hello, my name is Miriam!"
Expand All @@ -64,7 +64,7 @@ function makeGreeting(name) {
return `Hello, my name is ${name}!`;
}

const name = 'Miriam';
const name = "Miriam";
const greeting = makeGreeting(name);
console.log(greeting);
// "Hello, my name is Miriam!"
Expand Down Expand Up @@ -113,15 +113,15 @@ function generatePrimes(quota) {
return primes;
}

const quota = document.querySelector('#quota');
const output = document.querySelector('#output');
const quota = document.querySelector("#quota");
const output = document.querySelector("#output");

document.querySelector('#generate').addEventListener('click', () => {
document.querySelector("#generate").addEventListener("click", () => {
const primes = generatePrimes(quota.value);
output.textContent = `${quota.value} 個の素数を生成しました。`;
});

document.querySelector('#reload').addEventListener('click', () => {
document.querySelector("#reload").addEventListener("click", () => {
document.location.reload();
});
```
Expand Down Expand Up @@ -182,15 +182,15 @@ function generatePrimes(quota) {
return primes;
}

const quota = document.querySelector('#quota');
const output = document.querySelector('#output');
const quota = document.querySelector("#quota");
const output = document.querySelector("#output");

document.querySelector('#generate').addEventListener('click', () => {
document.querySelector("#generate").addEventListener("click", () => {
const primes = generatePrimes(quota.value);
output.textContent = `${quota.value} 個の素数を生成しました。`;
});

document.querySelector('#reload').addEventListener('click', () => {
document.querySelector("#reload").addEventListener("click", () => {
document.location.reload();
});
```
Expand Down Expand Up @@ -230,23 +230,27 @@ pre {
```

```js
const log = document.querySelector('.event-log');
const log = document.querySelector(".event-log");

document.querySelector('#xhr').addEventListener('click', () => {
log.textContent = '';
document.querySelector("#xhr").addEventListener("click", () => {
log.textContent = "";

const xhr = new XMLHttpRequest();

xhr.addEventListener('loadend', () => {
xhr.addEventListener("loadend", () => {
log.textContent = `${log.textContent}ステータス ${xhr.status} で完了しました`;
});

xhr.open('GET', 'https://raw.githubusercontent.com/mdn/content/main/files/en-us/_wikihistory.json');
xhr.open(
"GET",
"https://raw.githubusercontent.com/mdn/content/main/files/en-us/_wikihistory.json",
);
xhr.send();
log.textContent = `${log.textContent}XHR リクエストを開始しました\n`;});
log.textContent = `${log.textContent}XHR リクエストを開始しました\n`;
});

document.querySelector('#reload').addEventListener('click', () => {
log.textContent = '';
document.querySelector("#reload").addEventListener("click", () => {
log.textContent = "";
document.location.reload();
});
```
Expand Down
49 changes: 27 additions & 22 deletions files/ja/learn/javascript/asynchronous/introducing_workers/index.md
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Expand Up @@ -50,12 +50,11 @@ l10n:

```js
function generatePrimes(quota) {

function isPrime(n) {
for (let c = 2; c <= Math.sqrt(n); ++c) {
if (n % c === 0) {
return false;
}
return false;
}
}
return true;
}
Expand All @@ -73,14 +72,17 @@ function generatePrimes(quota) {
return primes;
}

document.querySelector('#generate').addEventListener('click', () => {
const quota = document.querySelector('#quota').value;
document.querySelector("#generate").addEventListener("click", () => {
const quota = document.querySelector("#quota").value;
const primes = generatePrimes(quota);
document.querySelector('#output').textContent = `Finished generating ${quota} primes!`;
document.querySelector(
"#output",
).textContent = `Finished generating ${quota} primes!`;
});

document.querySelector('#reload').addEventListener('click', () => {
document.querySelector('#user-input').value = 'Try typing in here immediately after pressing "Generate primes"';
document.querySelector("#reload").addEventListener("click", () => {
document.querySelector("#user-input").value =
'Try typing in here immediately after pressing "Generate primes"';
document.location.reload();
});
```
Expand All @@ -99,7 +101,7 @@ document.querySelector('#reload').addEventListener('click', () => {
"index.html" ファイルと "style.css" ファイルは、すでに完成しています。

```html
<!DOCTYPE html>
<!doctype html>
<html lang="ja">
<head>
<meta charset="utf-8" />
Expand All @@ -118,7 +120,8 @@ document.querySelector('#reload').addEventListener('click', () => {

<textarea id="user-input" rows="5" cols="62">
［素数の生成］を押した後、すぐにここに入力してみてください。
</textarea>
</textarea
>

<div id="output"></div>
</body>
Expand All @@ -140,28 +143,31 @@ textarea {

```js
// 新しいワーカーを作成し、"generate.js" にあるコードを与えます。
const worker = new Worker('./generate.js');
const worker = new Worker("./generate.js");

// ユーザーが［素数の生成］をクリックしたら、ワーカーにメッセージを送ります。
// メッセージのコマンドは "generate" であり、メッセージには生成する素数の
// 数である "quota" も含まれています。
document.querySelector('#generate').addEventListener('click', () => {
const quota = document.querySelector('#quota').value;
document.querySelector("#generate").addEventListener("click", () => {
const quota = document.querySelector("#quota").value;
worker.postMessage({
command: 'generate',
command: "generate",
quota,
});
});

// ワーカーがメインスレッドにメッセージを送り返したら、メッセージ
// データから受け取った生成された素数の個数を含むユーザーへの
// メッセージで出力ボックスを更新します。
worker.addEventListener('message', (message) => {
document.querySelector('#output').textContent = `${message.data} 個の素数を生成しました。`;
worker.addEventListener("message", (message) => {
document.querySelector(
"#output",
).textContent = `${message.data} 個の素数を生成しました。`;
});

document.querySelector('#reload').addEventListener('click', () => {
document.querySelector('#user-input').value = '［素数の生成］を押した後、すぐにここに入力してみてください。';
document.querySelector("#reload").addEventListener("click", () => {
document.querySelector("#user-input").value =
"［素数の生成］を押した後、すぐにここに入力してみてください。";
document.location.reload();
});
```
Expand All @@ -183,19 +189,18 @@ document.querySelector('#reload').addEventListener('click', () => {
// メインスレッドからのメッセージを待ち受けします。
// メッセージのコマンドが "generate" であれば、 `generatePrimes()` を呼び出します。
addEventListener("message", (message) => {
if (message.data.command === 'generate') {
if (message.data.command === "generate") {
generatePrimes(message.data.quota);
}
});

// Generate primes (very inefficiently)
function generatePrimes(quota) {

function isPrime(n) {
for (let c = 2; c <= Math.sqrt(n); ++c) {
if (n % c === 0) {
return false;
}
return false;
}
}
return true;
}
Expand Down
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