Typescript: Object is possibly ‘undefined&#8… 继续阅读 Typescript: Object is possibly ‘undefined’ for an object with different types of children(Typescript:对于具有不同类型子对象的对象,对象可能是“未定义的”)-javascript

How to type a function parameter ‘value&#821… 继续阅读 How to type a function parameter ‘value’ in order to always match the type of a dynamic ‘key’ parameter?(如何键入函数参数“值”,以便始终与动态“键”参数的类型匹配?)-typescript