Objects

Blob

The Blob constructor returns an object that represents immutable raw binary data, and allows access to ranges of bytes within the blob object as a separate blob object.

File

The File object (which inherits from the Blob object) provides read-only informational attributes about a file.

FileError

Note   Internet Explorer 10. This object was supported in pre-release versions of Internet Explorer 10. As of Internet Explorer 10, it is obsolete and DOMError should be used instead. Applications using this object should be updated accordingly.

FileList

The lis of files that have been selected by the user.

FileReader

A constructor function producing an object that provides methods to asynchronously read a File or a Blob, and an event model to obtain the results of these reads.

FileReaderSync

A constructor function producing an object that provides methods to synchronously read a File or a Blob, and an event model to obtain the results of these reads.

MSBlobBuilder

The MSBlobBuilder constructor returns an MSBlobBuilder object.

MSStream

Represents binary data in JavaScript.

MSStreamError

Note   Internet Explorer 10. This object was supported in pre-release versions of Internet Explorer 10. As of Internet Explorer 10, it is obsolete and DOMError should be used instead. Applications using this object should be updated accordingly.

MSStreamReader

Creates random access data (Blob) from an MSStream object.

ObjectURLOptions

Provides the oneTimeOnly property for use with the createObjectURL method.

URL

Provides methods that create and revoke Uniform Resource Identifiers (URIs) for Blob, msStream, and other objects.