src/node/patcher/props.js
function unset(name, element, previous) {
  if (unset.handlers[name]) {
    unset.handlers[name](name, element, previous);
  } else {
    element[name] = null;
  }
}
function unset(name, element, previous) {
  if (unset.handlers[name]) {
    unset.handlers[name](name, element, previous);
  } else {
    element[name] = null;
  }
}
function unset ( name , element , previous ) { if ( unset . handlers [ name ] ) { unset . handlers [ name ] ( name , element , previous ) ; } else { element [ name ] = null ; } }
Unsets a property.

@param  String name      The property name to unset.
@param  Object element   A DOM element.
@param  Object previous  The previous state of properties.
Unsets a property .