- objectKeys<T extends object>(
obj: T,
): (
| `${keyof T & undefined}`
| `${keyof T & null}`
| `${keyof T & string}`
| `${keyof T & number}`
| `${keyof T & false}`
| `${keyof T & true}`
)[] 返回 (
| `${keyof T & undefined}`
| `${keyof T & null}`
| `${keyof T & string}`
| `${keyof T & number}`
| `${keyof T & false}`
| `${keyof T & true}`
)[]
Strict typed
Object.keys