Get Programming with Node.js

B.2. Global objects

In Node.js, global objects are accessible throughout any application. You can use these objects at any point in a Node.js application. These objects can contain information about the application or filesystem. The following global objects are used most often in Node.js applications:

• console prints to the console or standard output wherever your application is running.
• __dirname returns the absolute path to the directory location on your machine, as follows:

  console.log(__dirname);
  >> /Users/Jon/Desktop

• __filename provides the absolute path to the application directory on your machine, as follows:

  console.log(__filename);
  >> /Users/Jon/Desktop/filename_example.js

• process references the process (thread) on which your ...