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@每日英语3Understand That Code Generation Is Independent Of Types - Code generation is independent of type system. This means that Typescript types cannot affect the runtime behavior or performance of your code. - It is possible for a program with type errors to build code - Typescript types are not available at runtime. To query a type at runtime, you need some way to reconstruct it. Tagged unions and property are common ways to do this. Some constructs, such as class, introduce both a Typescript type and a value that is available at runtime.
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@每日英语2 Know Which Typescript Options You're Using - The Typescript compiler includes several settings which affect core aspects of the language - TS 编译器包含了很多可以影响 ts 核心方面的设置 - Configure Typescript using tsconfig.json rather than command-line options - 使用 tsconfig.json 来配置 TS 而不是命令行属性 - Turn on noImplicitAny unless you are transitioning a Javascript project to Typescript; - 除非你正在从JS 转移到 TS,否则打开 noImplicitAny 配置 - Use strictNullChecks to prevent "undefined is no an object" style runtime error - 使用 strictNullChecks 配置来保护 "undefined 不是对象"这类型的运行时错误 - Aim to enable strict to get the most thorough checking that Typescript can offer - 以 TS 能够提供的,可以使得项目能得到更严厉彻底的检测为目标;
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@每日英语1 Understand the Relationship between Typescript and Javascript - Typescript is a superset of Javascript. In other words, all Javascript programs are already Typescript programs. Typescript has some syntax of its own, so Typescript programs are not, in general, valid Javascript programs. - Typescript adds a type system that models Javascript's runtime behavior and tries to spot code which will throw exceptions at runtime. But you shouldn't expect it to flag every exception. It is possible for code to pass the type checker but still throw at runtime. - While Typescript's type system largely models Javascript behavior, there are some constructs that Javascript allows but Typescript chooses to bar, such as calling functions with the wrong number of arguments. This is largely a matter of taste.
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打工人中最会做饭的厨子 @ ByteDance
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打工人中最会做饭的厨子 @ ByteDance
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打工人中最会做饭的厨子 @ ByteDance
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打工人中最会做饭的厨子 @ ByteDance
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