code: def translate_js(js, HEADER=DEFAULT_HEADER, use_compilation_plan=False):
      
      if use_compilation_plan and not '//' in js and not '/*' in js:
          return translate_js_with_compilation_plan(js, HEADER=HEADER)
      parser = pyjsparser.PyJsParser()
      parsed = parser.parse(js)  # js to esprima syntax tree
      # Another way of doing that would be with my auto esprima translation but its much slower and causes import problems:
      # parsed = esprima.parse(js).to_dict()
      translating_nodes.clean_stacks()
      return HEADER + translating_nodes.trans(
          parsed)
docs: js has to be a javascript source code.
         returns equivalent python code.