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Summary

The HTML <noscript> Element defines a section of html to be inserted if a script type on the page is unsupported or if scripting is currently turned off in the browser.

Content categories Metadata content, flow content, phrasing content.
Permitted content When scripting is disabled and when it is a descendant of the <head> element: in any order, zero or more <link> elements, zero or more <style> elements, and zero or more <meta> elements.
When scripting is disabled and when it isn't a descendant of the <head> element: any transparent content, but no <noscript> element must be among its descendants.
Otherwise: flow content or phrasing content.
Tag omission None, both the starting and ending tag are mandatory.
Permitted parent elements Any element that accepts phrasing content, if there are no ancestor <noscript> element, or in a <head> element (but only for an HTML document), here again if there are no ancestor <noscript> element.
DOM interface HTMLElement

Attributes

This element only includes the global attributes.

Example

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

Result with scripting enabled

Rocks!

Result with scripting disabled

External Link

Rocks!

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of '<noscript>' in that specification.
Living Standard  
HTML5
The definition of '<noscript>' in that specification.
Recommendation  
HTML 4.01 Specification
The definition of '<noscript>' in that specification.
Recommendation  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 1.0 (1.7 or earlier) (Yes) (Yes) (Yes)
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)

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 最近更新: Sebastianz,