my_little_object = {
foo: "bar",
foofoo:1,
}
//复制对象方法
let my_copy = Object.assign({}, my_little_object)
//删除属性
delete my_copy.foofoo
console.log("mycopy:", my_copy);
//create相当于继承
let my_clone = Object.create(my_little_object)
my_clone.age += 1;
my_clone.heigh = 170
my_clone.age
delete my_clone.age
console.log("my_clone:",my_clone);
console.log("my_little_object:",my_little_object);
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