Blob

A Blob encapsulates immutable, raw data that can be safely shared across multiple worker threads.

Since

v15.7.0, v14.18.0

Properties

sizenumberRequired

The total size of the Blob in bytes.

typestringRequired

The content-type of the Blob.

Methods

arrayBuffer

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

Returns

PromisePromise<ArrayBuffer>Required

Since

v15.7.0, v14.18.0

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slice

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

Parameters

startnumber

The starting index.

endnumber

The ending index.

typestring

The content-type for the new Blob

Returns

BlobBlobRequired

Since

v15.7.0, v14.18.0

---

stream

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

Returns

ReadableStreamReadableStream<any>Required

Since

v16.7.0

---

text

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

Returns

PromisePromise<string>Required

Since

v15.7.0, v14.18.0