Class Blob

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.

Hierarchy (View Summary)

Blob
- File

Index

Constructors

Accessors

Methods

arrayBuffer bytes slice stream text

Constructors

constructor

new Blob(
type?: (string | ArrayBuffer | ArrayBufferView<ArrayBufferLike> | Blob)[],
options?: BlobOptions,
): Blob
Parameters
- Optionaltype: (string | ArrayBuffer | ArrayBufferView<ArrayBufferLike> | Blob)[]
- Optionaloptions: BlobOptions
Returns Blob

Accessors

size

get size(): number
Returns number

type

get type(): string
Returns string

Methods

arrayBuffer

arrayBuffer(): Promise<ArrayBuffer>
Returns Promise<ArrayBuffer>

bytes

bytes(): Promise<Uint8Array<ArrayBufferLike>>
Returns Promise<Uint8Array<ArrayBufferLike>>

slice

slice(start?: number, end?: number, type?: string): Blob
Parameters
- Optionalstart: number
- Optionalend: number
- Optionaltype: string
Returns Blob

stream

stream(): ReadableStream
Returns ReadableStream

text

text(): Promise<string>
Returns Promise<string>