code: def js(self, label, js_func):
      self.comment_before += (
          f"[<a onclick='{js_func}(); return false'>{label}</a>]"
      )
      return self
  
imports: import json
  import sys
  from dataclasses import dataclass
  import gradio
  from modules import errors
  from modules.shared_cmd_options import cmd_opts
label_desc: Use image node_id 3 for calling the OptionInfo obj's underlying member method code with example usage: obj.js(label, js_func) and returns: self