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::grammar-error

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The ::grammar-error CSS pseudo-element represents a text segment which the user agent has flagged as grammatically incorrect.

Allowable properties

Only a small subset of CSS properties can be used in a rule with ::grammar-error in its selector:

Syntax

::grammar-error

Examples

Simple document grammar check

In this example, eventual supporting browsers should highlight any flagged grammatical errors with the styles shown.

HTML

<p>My friends is coming to the party tonight.</p>

CSS

::grammar-error  {
  text-decoration: underline red;
  color: red;
}

Result

Specifications

Specification Status Comment
CSS Pseudo-Elements Level 4
The definition of '::grammar-error' in that specification.
Working Draft Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
::grammar-error No No No No No No
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
::grammar-error No No No No No No

See also

© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/::grammar-error