Interface File

Provides information about files and allows JavaScript in a web page to access their content.

interface File {
    new Filenew (blobParts?, options?): Blob;
    lastModified: number;
    name: string;
    prototype: Blob;
    size: number;
    type: string;
    webkitRelativePath: string;
    arrayBuffer(): Promise<ArrayBuffer>;
    slice(start?, end?, contentType?): Blob;
    stream(): ReadableStream<Uint8Array>;
    text(): Promise<string>;
}

Hierarchy

  • Blob
    • File

Constructors

constructor

Properties

lastModified name prototype size type webkitRelativePath

Methods

arrayBuffer slice stream text

Constructors

constructor

  • new File(blobParts?, options?): Blob

  • Parameters

    Returns Blob

Properties

Readonly lastModified

lastModified: number

Readonly name

name: string

prototype

prototype: Blob

Readonly size

size: number

Readonly type

type: string

Readonly webkitRelativePath

webkitRelativePath: string

Methods

arrayBuffer

  • arrayBuffer(): Promise<ArrayBuffer>

  • Returns Promise<ArrayBuffer>

slice

  • slice(start?, end?, contentType?): Blob

  • Parameters

    • Optional start: number
    • Optional end: number
    • Optional contentType: string

    Returns Blob

stream

  • stream(): ReadableStream<Uint8Array>

  • Returns ReadableStream<Uint8Array>

text

  • text(): Promise<string>

  • Returns Promise<string>

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