javascript中未定义街道错误

Question

我是 Javascript 的初学者，我有以下代码：let address = {  street: 'Brighton',  city: 'NY',  zipcode: 121212,  showAddress() {    console.log(street + ' ' + city + ' ' + zipcode);// here is the issue I cannot understand why  }}let address1 = address.showAddress(); 上面的代码显示一个错误未捕获的 ReferenceError：街道未在 Object.showAddress 中定义