JView UIHome > @jview/utils > isFile
isFile() function
是否是 File 类型，File 类型也是 Blob 的子类型
Signature:
typescript
export declare function isFile<T extends File>(val: unknown): val is T;export declare function isFile<T extends File>(val: unknown): val is T;Parameters
| Parameter | Type | Description |
|---|---|---|
| val | unknown |
Returns:
val is T