未属什么五行

Baseline Widely available *
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This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

* Some parts of this feature may have varying levels of support.

The CSSStyleRule interface represents a single CSS style rule.

CSSRule CSSGroupingRule CSSStyleRule

Instance properties

Inherits properties from its ancestors CSSGroupingRule and CSSRule.

CSSStyleRule.selectorText

Returns the textual representation of the selector for this rule, e.g., "h1, h2".

CSSStyleRule.style Read only

Returns the CSSStyleDeclaration object for the rule.

CSSStyleRule.styleMap Read only

Returns a StylePropertyMap object which provides access to the rule's property-value pairs.

Instance methods

Inherits methods from its ancestors CSSGroupingRule and CSSRule.

Examples

The CSS includes one style rule. This will be the first CSSRule returned by document.styleSheets[0].cssRules. myRules[0] therefore returns a CSSStyleRule object representing the rule defined for h1.

css
h1 {
  color: pink;
}
js
let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0]); // a CSSStyleRule representing the h1.

Specifications

Specification
CSS Object Model (CSSOM)
# the-cssstylerule-interface

Browser compatibility