code: def _repr_javascript_(self):
      r = ""
      for c in self.css:
          r += _css_t % c
      for d in self.lib:
          r += _lib_t1 % d
      r += self.data
      r += _lib_t2 * len(self.lib)
      return r
  
file_path: pyecharts/pyecharts/render/display.py
imports: from ..types import Optional, Sequence, Union
  from urllib.parse import urlparse
  import http.client
label_desc: Use image node_id 2 for calling the Javascript obj's underlying member method code with example usage: obj._repr_javascript_() and returns: r