text: 'use strict';
  
  const vm = require ( 'vm' );
  
  // const d = 'data';
  global.d_ = 'data_'
  debugger
  
  const script = new vm.Script ( ` 
  debugger
  // d += '_is';
  d_ += '_is_';
  ` );
  
  script.runInThisContext();
  debugger
  
  