Node.js util模块

util

58 /home/taohx/scripts/study/nodejs

结果：

node util_demo.js

DEBUG: message on stderr

1 Jun 23:44:59 - message on stderr

{ [Function]

  [name]: '',

  [length]: 2,

  [caller]: null,

  [prototype]: { [constructor]: [Circular] },

  [arguments]: null }

true

true

Received data: "It works!"

示例2：

结果：
node util_demo1.js
DEBUG: message on stderr
2 Jun 00:04:14 - message on stderr
base
Hello base
{ name: 'base', base: 1991, sayHello: [Function] }
{ name: 'base', base: 1991, sayHello: [Function] }
{ name: 'base',
  sayHello:
   { [Function]
     [name]: '',
     [length]: 0,
     [caller]: [Getter/Setter],
     [prototype]: { [constructor]: [Circular] },
     [arguments]: [Getter/Setter] },
  base: 1991 }
sub
{ name: 'sub' }