1. polymer
  2. polymer
  3. updateCssClass

function updateCssClass

  1. deprecated
void updateCssClass(Element element, String className, bool value)

Deprecated use CssClassSet.toggle instead.

Add or remove CSS class className based on the value.

Source 

@deprecated
void updateCssClass(Element element, String className, bool value) {
  if (value == true) {
    element.classes.add(className);
  } else {
    element.classes.remove(className);
  }
}