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Web/API/ShadowRoot/host を更新 #23847

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Oct 3, 2024
Merged

Web/API/ShadowRoot/host を更新 #23847

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26 changes: 15 additions & 11 deletions files/ja/web/api/shadowroot/host/index.md
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Original file line number Diff line number Diff line change
@@ -1,29 +1,26 @@
---
title: ShadowRoot.host
title: "ShadowRoot: host プロパティ"
short-title: host
slug: Web/API/ShadowRoot/host
l10n:
sourceCommit: 584e1d86cc4d770f43b32ec62613a4840d2821db
---

{{APIRef("Shadow DOM")}}

**`host`** は {{domxref("ShadowRoot")}} の読み取り専用プロパティで、 `ShadowRoot` が取り付けられている DOM 要素の参照を返します。
**`host`** は {{domxref("ShadowRoot")}} の読み取り専用プロパティで、 `ShadowRoot` が装着されている DOM 要素の参照を返します。

## 構文

```js
const someElement = shadowRoot.host;
```

### 値
## 値

DOM の {{domxref('Element')}} です。

## 例

```js
let customElem = document.querySelector('my-shadow-dom-element');
let customElem = document.querySelector("my-shadow-dom-element");
let shadow = customElem.shadowRoot;

...
// ...

// 後で、元のホスト要素を返す
let hostElem = shadow.host;
Expand All @@ -36,3 +33,10 @@ let hostElem = shadow.host;
## ブラウザーの互換性

{{Compat}}

## 関連情報

- HTML の [`part`](/ja/docs/Web/HTML/Global_attributes#part) および [`exportparts`](/ja/docs/Web/HTML/Global_attributes#exportparts) 属性
- HTML の {{HTMLelement("template")}} および {{HTMLElement("slot")}} 要素
- CSS の {{CSSXref(":host")}}, {{CSSXref(":host_function", ":host()")}}, {{CSSXref(":host-context", ":host-context()")}} 擬似クラス
- CSS の {{CSSXref("::part")}} および {{CSSXref("::slotted")}} 擬似クラス