function A(){}
function B(){}
var C = new B();
document.write(A.prototype); //Object
document.write(B.prototype); //Object
document.write(C.prototype); //undefined
可以理解為實例對象沒有prototype靜態(tài)屬性嗎
實例對象的prototype到底是什么樣子的
underwater
2017-03-02 20:13:39
