A file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system.

Properties

readonly

size: number

readonly

type: string

Methods

arrayBuffer(): Promise<ArrayBuffer>

bytes(): Promise<Uint8Array>

slice(

start?: number,

end?: number,

contentType?: string,

): Blob

stream(): ReadableStream<Uint8Array>

text(): Promise<string>

A file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system.

Properties

readonly

prototype: Blob