[Javascript]作用域的几个小测试

1 var dom = function () {};
2 dom.Show = function () {alert(‘Show Message‘);};
3 dom.prototype.Display = function () {alert(‘Property Message‘);};
4 
5 dom.Display();
6 dom.Show();
7 var d = new dom();
8 d.Display();
9 d.Show();

 1 var a = {
 2   b: function () {
 3     this.say = function () {alert(‘say hello!‘);};
 4     alert("I‘m b");
 5   }
 6 };