CSSCounterStyleRule.system

The system property of the CSSCounterStyleRule interface gets and sets the value of the system descriptor. If the descriptor does not have a value set, this attribute returns an empty string.

Syntax

let system = CSSCounterStyleRule.system;
CSSCounterStyleRule.system = a;

Value

A CSSOMString

Examples

The following example shows a @counter-style rule. In JavaScript, myRules[0] is this @counter-style rule, returning system gives us the value "fixed".

@counter-style box-corner {
  system: fixed;
  symbols: ◰ ◳ ◲ ◱;
  suffix: ': ';
}
let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].system); // "fixed"

Specifications

Specification
CSS Counter Styles Level 3 (CSS Counter Styles 3)
# dom-csscounterstylerule-system

Browser compatibility

BCD tables only load in the browser