javascript prototype objects test

objs.js

function Obj() {
    console.log("obj init");
    this.bs();
}

Obj.prototype.bs = function() {
    console.log("this is bs");
};

var obj = new Obj();

function T8() {
    console.log("T8 init");
    this.bs();
    this.fe();
}

T8.prototype = Object.create(Obj.prototype);
T8.prototype.fe = function() {
    console.log("fe");
};

var t8 = new T8();
t8.fe();