dart:html

supportsProperty method

bool supportsProperty(String propertyName)

Returns true if the provided CSS property name is supported on this element.

Please note the property name camelCase, not-hyphens. This method returns true if the property is accessible via an unprefixed or prefixed property.

Source

bool supportsProperty(String propertyName) {
  return _supportsProperty(propertyName) ||
      _supportsProperty(_camelCase(Device.cssPrefix + propertyName));
}