Optional Chaining JavaScript - 搜索视频

Optional Chaining & Nullish Coalescing Tutorial! Two New Javascript Features

YouTubeJustin Kim

Optional Chaining & Nullish Coalescing Tutorial! Two New Javascript Features

We will take a dive into two ECMAscript 2020 features coming soon to Javascript: Optional Chaining, and the Nullish Coalescing Operator. Learn these and level up your Javascript skills! 🗄 Resources: ECMAscript Finished Proposals: https://github.com/tc39/proposals/blob/master/finished-proposals.md TypeScript Playground: http://www ...

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