CSSPositionTryRule

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

The CSSPositionTryRule interface describes an object representing a @position-try at-rule.

CSSRule CSSPositionTryRule

Instance properties

Inherits properties from its ancestor CSSRule.

CSSPositionTryRule.name Read only Experimental

Represents the name of the position try option specified by the @position-try at-rule's <dashed-ident>.

CSSPositionTryRule.style Read only Experimental

A CSSPositionTryDescriptors object that represents the declarations set in the body of the @position-try at-rule.

Instance methods

No specific methods; inherits methods from its ancestor CSSRule.

Examples

The CSS includes a @position-try at-rule with a name of --custom-left and three descriptors.

css
@position-try --custom-left {
  position-area: left;
  width: 20%;
  max-width: 200px;
  margin: 0 10px 0 0;
}
js
const myRules = document.styleSheets[0].cssRules;
const tryOption = myRules[0]; // a CSSPositionTryRule
console.log(tryOption); // "[object CSSPositionTryRule]"
console.log(tryOption.name); // "--custom-left"
console.log(tryOption.style); // "[object CSSPositionTryDescriptors]"
console.log(tryOption.style.maxWidth); // "200px"

Specifications

Specification
CSS Anchor Positioning
# csspositiontryrule

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
CSSPositionTryRule
Experimental
name
Experimental
style
Experimental

Legend

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Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
See implementation notes.
User must explicitly enable this feature.

See also