noscript - [ HTML 中文开发手册 ] - 在线原生手册

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

如果页面上的脚本类型不受支持或者当前在浏览器中关闭了脚本，则在HTML <noscript> 元素中定义脚本未被执行时的替代内容。

内容类别	Metadata content, flow content, phrasing content.
允许的内容	当脚本被禁用并且它是 `<head>`元素的后代时：以下顺序任意，零个或者多个`<link>`元素，零个或者多个`<style>`元素，零个或者多个`<meta>`元素。当脚本被禁用并且它不是 `<head>` 元素的子元素时：任何transparent content 都可以，但是在它的后代中必须没有 `<noscript>`元素。否则：flow content 或 phrasing content 。
标记遗漏	没有，起始和结束标签都是强制性的。
允许父母	任何接受短语内容的元素，如果没有祖先<noscript>元素，或者在一个<head>元素中（但只对一个HTML文档），这里再次如果没有祖先<noscript>元素。
允许ARIA角色	没有
DOM界面	HTMLElement

属性

这个元素只包含全局属性。

例子

<noscript>  <!-- anchor linking to external file -->  <a href="https://www.mozilla.com/">External Link</a></noscript><p>Rocks!</p>

脚本启用结果

Rocks!

禁用脚本的结果

External Link

Rocks!

规范

Specification	Status	Comment
HTML Living StandardThe definition of '<noscript>' in that specification.	Living Standard
HTML5The definition of '<noscript>' in that specification.	Recommendation
HTML 4.01 SpecificationThe definition of '<noscript>' 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)