docstr: Highlights active dropdown item or active button if true.
  
  The 'showactive' property must be specified as a bool
  (either True, or False)
  
  Returns
  -------
  bool
docstr_tok: ["Highlights","active","dropdown","item","or","active","button","if","true",".","The","'showactive","'","property","must","be","specified","as","a","bool","(","either","True",",","or","False",")","Returns","--","--","--","-","bool"]
code: def showactive(self):
      """
      Highlights active dropdown item or active button if true.
  
      The 'showactive' property must be specified as a bool
      (either True, or False)
  
      Returns
      -------
      bool
      """
      return self["showactive"]
  
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 21 for calling the Updatemenu obj's underlying member method code with example usage: obj.showactive() and returns: self