2021年4月28日
[Typescript] Use the Optional Chaining Operator in TypeScript
摘要： This lesson introduces the ?. operator which is known as optional chaining. We're going to look at how we can use ?. to safely descend into an object 阅读全文
posted @ 2021-04-28 15:03 Zhentiw 阅读(71) 评论(0) 推荐(0)