Class File

Readonlysize

Readonlytype

arrayBuffer

• arrayBuffer(): Promise<ArrayBuffer>

  Returns a promise that fulfills with an ArrayBuffer containing a copy of the Blob data.

  Returns Promise<ArrayBuffer>

  Since

  v15.7.0, v14.18.0

bytes

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

  The blob.bytes() method returns the byte of the Blob object as a Promise<Uint8Array>.

  const blob = new Blob(['hello']);
  blob.bytes().then((bytes) => {
    console.log(bytes); // Outputs: Uint8Array(5) [ 104, 101, 108, 108, 111 ]
  });
  Copy

  Returns Promise<Uint8Array<ArrayBufferLike>>

slice

• slice(start?: number, end?: number, type?: string): Blob

  Creates and returns a new Blob containing a subset of this Blob objects data. The original Blob is not altered.

  Parameters

  • Optionalstart: number

    The starting index.

  • Optionalend: number

    The ending index.

  • Optionaltype: string

    The content-type for the new Blob

  Returns Blob

  Since

  v15.7.0, v14.18.0

stream

• stream(): ReadableStream

  Returns a new ReadableStream that allows the content of the Blob to be read.

  Returns ReadableStream

  Since

  v16.7.0

text

• text(): Promise<string>

  Returns a promise that fulfills with the contents of the Blob decoded as a UTF-8 string.

  Returns Promise<string>

  Since

  v15.7.0, v14.18.0