window.Blob

Since: UXP v6.3

size

Size of the Blob in bytes

type

MIME type of the Blob

arrayBuffer()

Return the contents of the Blob in the form of an ArrayBuffer

Returns: Promise<ArrayBuffer> - A promise that resolves with an ArrayBuffer that contains the Blob's data in binary form

slice(start, end, contentType)

Return a new Blob containing the specified subset of the Blob's data

Returns: Blob - a new Blob object containing the specified subset of the data contained within the Blob on which this method was called

Param

Type

Description

start

*

index into the Blob indicating the first byte to include in the new Blob

end

*

index into the Blob indicating the first byte that will NOT be included in the new Blob

contentType

*

content type to assign to the new Blob

stream()

Returns a ReadableStream which upon reading returns the data contained within the Blob

Returns: ReadableStream - ReadableStream which, upon reading, returns the contents of the Blob

text()

Returns a Promise that resolves with a string containing the contents of the Blob

Returns: Promise<String> - A promise that resolves with a string which contains the Blob's data as a text string. The data is always presumed to be in UTF-8 format.