TypeScript have a way of validating the type of a variable in runtime. You can add a validating function that returns a type predicate. So you ... ... <看更多>

Runtime duck type checking utilities for TypeScript. - GitHub - janjakubnanista/ts-type-checked: Runtime duck type checking utilities for TypeScript. ... <看更多>

This video talks about various methods of type checking in pure javascript. Learn different techniques to keep your javascript code ... ... <看更多>

Ok so you've decided that pure JavaScript is enough for your project, don't want to adopt TypeScript just yet or ever and you are using VS Code? - Then this is ... ... <看更多>

Your questions: You could use BaseAnimal, but that would only give you the base properties. There's no way I know of to make this work other ... ... <看更多>