目录 搜索
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
文字

<var> 标签表示变量的名称,或者由用户提供的值。

内容类别

Flow content, phrasing content, palpable content.

允许的内容


Phrasing content

标记遗漏

开始和结束标签都是必需的

允许的父母

任何接受短语内容的元素。

允许ARIA角色

任何

DOM接口

HTMLElement

属性

这个元素只包含全局属性。

典型的默认样式属性

var {
  font-style: italic; }

例子

<p> A simple equation:  <var>x</var> = <var>y</var> + 2 </p>

A simple equation: x = y + 2

规范

Specification

Status

Comment

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

Living Standard


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

Recommendation


浏览器兼容性

Feature

Chrome

Edge

Firefox

Internet Explorer

Opera

Safari

Basic Support

(Yes)

(Yes)

1

(Yes)

(Yes)

(Yes)

Feature

Android

Chrome for Android

Edge mobile

Firefox for Android

IE mobile

Opera Android

iOS Safari

Basic Support

(Yes)

(Yes)

(Yes)

1

(Yes)

(Yes)

(Yes)

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