Interface 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.

MDN Reference

interface Blob {
    size: number;
    type: string;
    arrayBuffer(): Promise<ArrayBuffer>;
    slice(start?, end?, contentType?): Blob;
    stream(): ReadableStream<Uint8Array>;
    text(): Promise<string>;
}

Properties

size type

Methods

arrayBuffer slice stream text

Properties

Readonly size

size: number

MDN Reference

Readonly type

type: string

MDN Reference

Methods

arrayBuffer

  • arrayBuffer(): Promise<ArrayBuffer>

  • MDN Reference

    Returns Promise<ArrayBuffer>

slice

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

  • MDN Reference

    Parameters

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

    Returns Blob

stream

text

  • text(): Promise<string>

  • MDN Reference

    Returns Promise<string>

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