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    --- title: YAML Meta deta 說明 --- YAML metadata 說明 === {%hackmd zfoEnYvRQZqKUpGoVsyDJw %} 首先,你必須要在筆記的 **第一行** 加入以下語法: ``` --- YAML metas --- ``` 將這個區塊的 "YAML metas" 替換成以下任意的 YAML 選項 您也可以參考本份筆記的原始碼 title --- 此選項會設定筆記的標題,會優先於內容的標題 > 預設值:未設定 **範例** ```xml title: meta title ``` description --- 此選項會設定筆記的描述 > 預設值:未設定 **範例** ```xml description: meta description ``` image --- 此選項會設定筆記的預設圖片 (用於連結預覽) > 預設值:HackMD 預設圖片 **範例** ```xml image: https://hackmd.io/screenshot.png ``` :::info ### :bulb: Twitter 的圖片 自訂圖片必須符合 Twitter 的長寬比(1200:675),Twitter 才會顯示。 ::: type --- 此選項可設定筆記的類型。如果想要在編輯模式預覽投影片,請記得設定。 **範例** ```xml type: slide ``` robots --- 此選項會將以下 meta 加至筆記的 head meta ```xml <meta name="robots" content="your_meta"> ``` 因此您可以透過`"noindex, nofollow` 防止任何搜尋引擎索引您的筆記 > 預設值:未設定 **範例** ```xml robots: noindex, nofollow ``` lang --- 此選項會設定筆記的語言,這會影響到它的排版方式 您可以在 ISO 639-1 標準 找到您的語言編碼: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes > 預設:未設定 (也就是 en) **範例** ```xml langs: ja-jp ``` dir --- 此選項提供以描述筆記的文字方向 您只能設定 `rtl` 或是 `ltr` (右至左、左至右) 詳細請至: http://www.w3.org/International/questions/qa-html-dir > 預設值:未設定 (也就是 ltr) **Example** ```xml dir: rtl ``` breaks --- 此選項設定筆記的換行是否會被轉換或是忽略 最一開始的 markdown 語法中,要在每一行的最後面加上兩個空白才會換行,但是 HackMD 選擇當您每次輸入換行的時候都會換行 您只能設定 `true` 或是 `false` > 預設值:未設定 (也就是 true) **範例** ```xml breaks: false ``` GA --- 此選項可以透過 ID 啟用 Google Analytics > 預設值:未設定 (停用) **範例** ```xml GA: UA-12345667-8 ``` disqus --- 此選項可以透過 shortname 啟用 Disqus > 預設值:未設定 (停用) **範例** ```xml disqus: hackmd ``` slideOptions --- 此選項可用於自訂簡報模式 詳細請至: https://revealjs.com/config/ 您也可以設定簡報模式的主題,名稱於下列的 css 檔案: https://revealjs.com/themes/ :::warning :bulb: 請保持使用兩個空白作為 YAML metadata 的縮排方式! ::: > 預設值:未設定 (使用預設的簡報選項) **範例** ```xml slideOptions: transition: fade theme: white ``` lintConfig --- 此選項為 [markdownlint](https://github.com/DavidAnson/markdownlint) 的設定值,詳細的設定詳見 [.markdownlint.yaml](https://github.com/DavidAnson/markdownlint/blob/main/schema/.markdownlint.yaml)。 :::warning :bulb: 請保持使用兩個空白作為 YAML metadata 的縮排方式! ::: ### 範例 ~~~md --- lintConfig: MD004: style: "consistent" MD006: false --- # Your other markdown content ~~~

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