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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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如果頁面上的腳本類型不受支持或者當前在瀏覽器中關閉了腳本,則在HTML <noscript> 元素中定義腳本未被執(zhí)行時的替代內容。

內容類別

Metadata content, flow content, phrasing content.

允許的內容


當腳本被禁用并且它是 <head>元素的后代時:以下順序任意,零個或者多個<link>元素,零個或者多個<style>元素,零個或者多個<meta>元素。

當腳本被禁用并且它不是 <head> 元素的子元素時:任何transparent content 都可以,但是在它的后代中必須沒有 <noscript>元素。

否則:flow content 或 phrasing content 。

標記遺漏

沒有,起始和結束標簽都是強制性的。

允許父母

任何接受短語內容的元素,如果沒有祖先<noscript>元素,或者在一個<head>元素中(但只對一個HTML文檔),這里再次如果沒有祖先<noscript>元素。

允許ARIA角色

沒有

DOM界面

HTMLElement

屬性

這個元素只包含全局屬性。

例子

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

腳本啟用結果

Rocks!

禁用腳本的結果

External Link

Rocks!

規(guī)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


瀏覽器兼容性

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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