Node.js_常用工具

/**
 * Created by cxm on 2016/1/11.
 */

var util = require("util");

/*
function Base()
{
    this.name = "Base";
    this.base = 2016;

    this.sayHello = function()
    {
        console.log("Hello:" + this.name);
    }
}

Base.prototype.showName = function()
{
    console.log(this.name);
}

function Sub()
{
    this.name = "Sub";
}

util.inherits(Sub, Base);

var objBase = new Base();
objBase.showName();
objBase.sayHello();
console.log(objBase.name);
console.log(objBase.base);
console.log(objBase);

console.log("--------------------");

var objSub = new Sub();
objSub.showName();
//objSub.sayHello();
console.log(objSub.name);
console.log(objSub.base);
console.log(objSub);
*/

/*
function Person()
{
    this.name = "cxm";
    this.toString = function()
    {
        return this.name;
    };
}

var person = new Person();
console.log(util.inspect(person));
console.log("--------------------");
console.log(util.inspect(person, true));
console.log("--------------------");
console.log(util.inspect(person, false, 10));
console.log("--------------------");
console.log(util.inspect(person, false, 10, true));
*/

/*
console.log(util.isArray([]));
console.log(util.isArray(new Array()));
console.log(util.isArray({}));
*/

/*
console.log(util.isRegExp(/some regexp/));
console.log(util.isRegExp(new RegExp("another regext")));
console.log(util.isRegExp({}));
*/

/*
console.log(util.isDate(new Date()));
console.log(util.isDate(Date()));
console.log(util.isDate({}));
*/

console.log(util.isError(new Error()));
console.log(util.isError(new TypeError()));
console.log(util.isError({ name: 'Error', message: 'an error occurred' }));