[1.this](1.this.md) [2.手写call, apply, bind](2.%E6%89%8B%E5%86%99call,apply,bind.md) [3.模拟new操作符](3.%E6%A8%A1%E6%8B%9Fnew%E6%93%8D%E4%BD%9C%E7%AC%A6.md) [4.手写Object.create](4.%E6%89%8B%E5%86%99Object.create.md)