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---
id: special-non-dom-attributes-ko-KR
title: DOM이 아닌 특별한 어트리뷰트
Upgrade to Jekyll 3 Full list of changes is at https://jekyllrb.com/docs/upgrading/2-to-3/. The tl;dr of it is: - Relative permalinks were removed, so all the files in the `docs` subdirectory need their permalink to be prefixed with `docs/` - `post` and `page` types were renamed to `posts` and `pages` respectively - `jekyll-paginate`, `pygments` and `redcarpet` are all now optional, so I needed to explicitly add it to the Gemfile. Jekyll now uses `rouge` rather than `pygments` for syntax highlighting, but rouge does not support highlighting individual lines (`hl_lines`) so we need to continue using Pygments. - Layout metadata (eg. `sectionid`) is now on a `layout` variable rather than `page` Tested the following pages and confirmed that they all work: - "Docs" link (getting started page): http://127.0.0.1:4000/react/docs/getting-started.html - Downloads: http://127.0.0.1:4000/react/downloads.html - Tutorial: http://127.0.0.1:4000/react/docs/tutorial.html - A few pages under the "docs" subdirectory, to confirm they're working properly: - http://127.0.0.1:4000/react/docs/addons.html - http://127.0.0.1:4000/react/docs/why-react.html - http://127.0.0.1:4000/react/docs/create-fragment.html - A few tips: - http://127.0.0.1:4000/react/tips/false-in-jsx.html - http://127.0.0.1:4000/react/tips/style-props-value-px.html - Non-English versions of the page: - http://127.0.0.1:4000/react/docs/getting-started-it-IT.html - http://127.0.0.1:4000/react/docs/getting-started-ja-JP.html
9 years ago
permalink: docs/special-non-dom-attributes-ko-KR.html
10 years ago
prev: dom-differences-ko-KR.html
next: reconciliation-ko-KR.html
---
10 years ago
[DOM 차이점](/react/docs/dom-differences-ko-KR.html)처럼, React는 DOM에는 존재하지 않는 몇몇 어트리뷰트도 제공합니다.
10 years ago
- `key`: 선택적인 고유 식별자. 컴포넌트가 `render` 과정에서 섞일 때, diff 알고리즘에 의해 파괴되고, 다시 생성될 수 있습니다. 컴포넌트에 영속적인(persists) 키를 할당하면 컴포넌트가 확실히 유지되게 할 수 있습니다. 더 자세한 것은 [여기](/react/docs/multiple-components-ko-KR.html#dynamic-children)에서 보세요.
- `ref`: [여기](/react/docs/more-about-refs-ko-KR.html)를 보세요.
- `dangerouslySetInnerHTML`: 생(raw) HTML을 넣을 수 있게 합니다. 주로 DOM 문자열 관리 라이브러리와의 협력하기 위해 사용합니다. 더 자세한 것은 [여기](/react/tips/dangerously-set-inner-html.html)를 보세요.