单项选择题
A.8
B.9
C.10
D.11
单项选择题 下面这段JavaScript代码的的输出是什么?()var myObject = { foo: "bar", func: function() { var self = this; console.log(this.foo); console.log(self.foo); (function() { console.log(this.foo); console.log(self.foo); }()); }};myObject.func();
多项选择题 var p3 = new Point(2,3);var p4 = new Point(3,2);p3.__proto__.printName = function () { return Oops };p3.printName() p4.printName()var p5 = new Point(4,2);p5.printName() 控制台输出内容会有什么?()
多项选择题 var p1 = new Point(2,3);var p2 = new Point(3,2);p1.__proto__.printName = function () { return Oops };p1.printName() p2.printName()var p3 = new Point(4,2);p3.printName() 对以上代码的解释正确的是 ()