function user() {
        this.name = 20;
};

var b = new user();
Object.defineProperty(b, 'name', {
    writable: false,
    value: 'ooo'
});
console.log(b.name = 50);

这句代码为什么会输出50?
--
修改:ename FROM 221.221.22.*
FROM 221.221.22.*