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テキスト

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)

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