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Attributes accesskey (attribute) class (attribute) contenteditable (attribute) contextmenu (attribute) data-* (attribute) dir (attribute) draggable (attribute) dropzone (attribute) Global attributes hidden (attribute) id (attribute) itemid (attribute) itemprop (attribute) itemref (attribute) itemscope (attribute) itemtype (attribute) lang (attribute) slot (attribute) spellcheck (attribute) style (attribute) tabindex (attribute) title (attribute) translate (attribute) Elements a abbr address area article aside audio b base bdi bdo blockquote body br button canvas caption cite code col colgroup data datalist dd del details dfn dialog div dl dt em embed fieldset figcaption figure footer form h1 head header hr html i iframe img input input type="button" input type="checkbox" input type="color" input type="date" input type="datetime"-local input type="email" input type="file" input type="hidden" input type="image" input type="month" input type="number" input type="password" input type="radio" input type="range" input type="reset" input type="search" input type="submit" input type="tel" input type="text" input type="time" input type="url" input type="week" ins kbd label legend li link main map mark menu menuitem meta meter nav noscript object ol optgroup option output p param picture pre progress q rp rt rtc ruby s samp script section select slot small source span strong style sub summary sup table tbody td template textarea tfoot th thead time title tr track u ul var video wbr Miscellaneous Attributes Block-level elements CORS enabled image CORS settings attributes Element Inline elements Kinds of HTML content Link types Microdata Optimizing your pages for speculative parsing Preloading content Reference Supported media formats Using the application cache Obsolete acronym applet basefont big blink center command content dir element font frame frameset hgroup image input type="datetime" isindex keygen listing marquee nextid noframes plaintext strike tt xmp
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HTML Section 元素 表示包含在HTML文件中的功能性的獨立的部分,通常具有一個標題,它不必代表它的更具體的語義單元。

舉個例子,導(dǎo)航菜單應(yīng)該包裝在一個<nav>元素中,但是一個搜索結(jié)果列表和一個地圖顯示及其控件沒有具體的元素,可以放在一個<section>。

內(nèi)容類別

Flow content, Sectioning content, palpable content.

允許的內(nèi)容


Flow content.

標記遺漏

沒有,起始和結(jié)束標簽都是強制性的。

允許父母

任何接受

Flow content 的元素。請注意,<section>元素不能是<address>元素的后代。

允許ARIA角色

alert, alertdialog, application, banner, complementary, contentinfo, dialog, document, feed, log, main, marquee, navigation, search, status, tabpanel

DOM界面

HTML元素

屬性

這個元素只包含全局屬性。

使用說明

  • 每一個都<section>應(yīng)該被識別出來,通常包括一個標題(<h1>- <h6>元素)作為元素的一個子<section>元素。

  • 如果單獨聯(lián)合一個<section>元素的內(nèi)容是有意義的,請改用一個<article>元素。

  • 不要將該<section>元素用作通用容器; 這是為什么<div>,特別是當切片只是為了造型的目的。經(jīng)驗法則是一個部分應(yīng)邏輯地出現(xiàn)在文檔的大綱中。

例1

Before

<div>  <h1>Heading</h1>  <p>Bunch of awesome content</p></div>

After

<section>  <h1>Heading</h1>  <p>Bunch of awesome content</p></section>

例2

Before

<div>  <h2>Heading</h2>  <img src="bird.jpg" alt="bird"></div>

After

<section>  <h2>Heading</h2>  <img src="bird.jpg" alt="bird"></section>

規(guī)范

Specification

Status

Comments

HTML Living StandardThe definition of '<section>' in that specification.

Living Standard


HTML 5.1The definition of '<section>' in that specification.

Recommendation


HTML5The definition of '<section>' in that specification.

Recommendation


瀏覽器兼容性

Feature

Chrome

Edge

Firefox

Internet Explorer

Opera

Safari

Basic Support

5

(Yes)

4

9

11.1

4.1

Feature

Android

Chrome for Android

Edge mobile

Firefox for Android

IE mobile

Opera Android

iOS Safari

Basic Support

(Yes)

(Yes)

(Yes)

4

9

11

4.2

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