code: def __init__(self, js_code: str):
      self.js_code = "--x_x--0_0--" + js_code + "--x_x--0_0--"
  
file_path: pyecharts/pyecharts/commons/utils.py
imports: import re
  from ..datasets import EXTRA, FILENAMES
label_desc: Use image node_id 1 to create a new JsCode object  with example: obj = JsCode(js_code)