docs: def get_el(el):
          """
          Get value of given `el` tag element.
  
          Automatically choose proper method to set the `value` based on the type
          of the `el`.
  
          Args:
              el (obj): Element reference to the input you want to convert to
                  typeahead.
  
          Returns:
              str: Value of the object.
          """
          tag_name = el.elt.tagName.lower()
          if tag_name in {"input", "textarea", "select"}:
              return el.value
          else:
              raise ValueError(
                  "Getter for %s (%s) not implemented!" % (tag_name, el.id)
              )