1. @DomName('CSSStyleDeclaration.setProperty')
void setProperty(
String propertyName,
String value,
[String priority]
)

Not documented.

Source

@DomName('CSSStyleDeclaration.setProperty')
void setProperty(String propertyName, String value, [String priority]) {
  return _setPropertyHelper(_browserPropertyName(propertyName),
    value, priority);
}