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Web/JavaScript/Reference/Global_Objects/String 他4件を更新 #23966

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Oct 14, 2024
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Web/JavaScript/Reference/Global_Objects/String 他4件を更新 #23966

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6 changes: 3 additions & 3 deletions files/ja/web/javascript/reference/global_objects/string/charat/index.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
title: String.prototype.charAt()
slug: Web/JavaScript/Reference/Global_Objects/String/charAt
l10n:
sourceCommit: 6d606174faaedaa5dee7b7ebd87602cd51e5dd7e
sourceCommit: 8421c0cd94fa5aa237c833ac6d24885edbc7d721
---

{{JSRef}}
Expand Down Expand Up @@ -79,7 +79,7 @@ console.log(str.charAt(0)); // "\ud842"、これは妥当な Unicode 文字で
console.log(str.charAt(1)); // "\udfb7"、これは妥当な Unicode 文字ではない
```

指定された位置の完全な Unicode コードポイントを取得するには、{{jsxref("String.prototype.codePointAt()")}} や[スプレッド構文](/ja/docs/Web/JavaScript/Reference/Global_Objects/String/@@iterator)のように、Unicode コードポイントで分割して Unicode コードポイントの配列にするインデックスメソッドを使用してください
指定された位置の完全な Unicode コードポイントを取得するには、{{jsxref("String.prototype.codePointAt()")}} や[スプレッド構文](/ja/docs/Web/JavaScript/Reference/Global_Objects/String/Symbol.iterator)のように、Unicode コードポイントで分割して Unicode コードポイントの配列にするインデックスメソッドを使用してください

```js
const str = "𠮷𠮾";
Expand All @@ -105,4 +105,4 @@ console.log([...str][0]); // "𠮷"
- {{jsxref("String.prototype.codePointAt()")}}
- {{jsxref("String.prototype.split()")}}
- {{jsxref("String.fromCodePoint()")}}
- [JavaScript has a Unicode problem – Mathias Bynens](https://mathiasbynens.be/notes/javascript-unicode)
- [JavaScript has a Unicode problem](https://mathiasbynens.be/notes/javascript-unicode) (Mathias Bynens, 2013)
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