JS中new运算符的运算顺序
new A.B(); ==> new (A.B)();
new A().B(); ==> (new A()).B();
参考链接:http://blog.csdn.net/cuixiping/article/details/15037061
new A.B(); ==> new (A.B)();
new A().B(); ==> (new A()).B();
参考链接:http://blog.csdn.net/cuixiping/article/details/15037061