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C#和Javascript的相似性比较

1 语法基本一样
两者都是C系语言。

2 对象构造:
2.1 javascript:
var obj = {Name:”sfeig”,Age:31};

2.2 C#:
var obj = new {Name=”sfeig”,Age=23};

3 数组:
3.1 javascript:
var arr = [1, 2, 3, 4, 5];

3.2 C#:
var arr = new [] {1,2,3,4,5};

4 匿名函数:
4.1 javascript:
var handler = function(sender,e){…};

4.2 C#:
var handler = delegate(object sender,EventArgs e){….};

5 扩展方法:
5.1 Javascript:
function Vector(x,y)

{

this.x = x;

this.y = y;

}

 Vector.prototype.adds = function(v)

{

if(v instanceof Vector)

{

return new Vector(this.x+v.x, this.y + v.y);

}

else

{

alert("Invalid Vector object!");

}

}

 var v = new Vector(1,2);

v = v.adds(v);

alert("x = " +v.x + ", y = "+v.y);

5.2 C#:
public class Vector

{

private double _x;

private double _y;

 public double X

{

get { return this._x; }

set { this._x = value; }

}

 public double Y

{

get { return this._y; }

set { this._y = value; }

}

}

 public static class Extension

{

public static Vector Adds(this Vector p, Vector p1)

{

return new Vector { X = p.X + p1.X, Y = p.Y + p1.Y };

}

}

 var v = new Vector { X = 1, Y = 2 };

v = v.Adds(v);

Console.WriteLine("v.X = {0} and v.Y = {1}", v.X, v.Y);

6 非null赋值:
6.1 C#中:
//string str = "hello";

string str = null;

this.Label1.Text = str ?? "china";

6.2 Javascript中:
var s0 = null;

//var s0 = "hello";

var s = s0 || "china";

alert(s);

 原文地址:http://www.cnblogs.com/AndyGe/archive/2009/08/14/1545827.html

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