js常用继承方法

var a = { name: "aaaa" };
console.log(a);
var b = Object.create(a);
console.log(b);
for (var i in a) {
console.log(a[i])

}
console.log("***************************")
for (var i in b) {
console.log(a[i])

}

function a() {
this.aa="vvvvv"
}
a.prototype.yyy = function () {
alert(1)
}

function b() {
}
b.prototype = new a();

var g = new b();
console.log(g)