const person = { isHuman: false, printIntroduction: function () { console.log(`My name is ${this.name}. Am I human? ${this.isHuman}`); } }; // 创建的是一个空对象, 该对象的__proto__属性连接到 person 对象上面 const me = Object.create(person); console.log(me, 'me is wate') // {} console.log(me.isHuman, '我是普通的属性') // false me.name = 'liba' me.isHuman = 'true' 修改 me 对象的属性并不会影响 person 对象的属性 console.log(person) // {isHuman: false, printIntroduction: ƒ} console.log(me, 'me') // {name: "liba", isHuman: "true"} console.log(person.printIntroduction()) // My name is undefined. Am I human? false console.log(me.printIntroduction()) // My name is liba. Am I human? true复制代码
外面在下雨,喜欢下雨天。