class_docstr: "A Printer to convert Python expressions to strings of JavaScript code
      
code: def _declare_number_const(self, name, value):
      return "var {} = {};".format(
          name, value.evalf(self._settings["precision"])
      )
  
imports: from __future__ import annotations
  from typing import Any
  from sympy.core import S
  from sympy.core.numbers import equal_valued
  from sympy.printing.codeprinter import CodePrinter
  from sympy.printing.precedence import precedence, PRECEDENCE
label_desc: Use image node_id 5 for calling the JavascriptCodePrinter obj's underlying member method code with example usage: obj._declare_number_const(name, value) and returns: str