The CSSPositionTryRule interface describes an object representing a @position-try at-rule.
Inherits properties from its ancestor CSSRule.
CSSPositionTryRule.name Read onlyRepresents the name of the position try option specified by the @position-try at-rule's <dashed-ident>.
CSSPositionTryRule.style Read onlyA CSSPositionTryDescriptors object that represents the declarations set in the body of the @position-try at-rule.
No specific methods; inherits methods from its ancestor CSSRule.
The CSS includes a @position-try at-rule with a name of --custom-left and three descriptors.
@position-try --custom-left {
position-area: left;
width: 20%;
max-width: 200px;
margin-right: 10px;
}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"