FileReader class

Lets web applications asynchronously read the contents of files (or raw data buffers) stored on the user's computer, using File or Blob objects to specify the file or data to read.

Implemented types

• EventTarget

Available extensions

• EventTarget$Typings
• FileReader$Typings

Annotations

• @JS()
• @staticInterop

Constructors

FileReader()

factory

Properties

abort ↔ void Function()

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

addEventListener ↔ void Function(String, [Object?, Object?])

Available on EventTarget, provided by the EventTarget$Typings extension

getter/setter pair

addEventListener → ({void Function<K$ extends Event>(FileReaderEventMap<K$> type, dynamic listener(K$), [Object? options]) $1, void Function(String type, Object listener, [Object? options]) $2})

Available on FileReader, provided by the FileReader$Typings extension

Overload accessor: $1, $2

no setter

dispatchEvent ↔ bool Function(Event)

Available on EventTarget, provided by the EventTarget$Typings extension

getter/setter pair

done → num

Available on FileReader, provided by the FileReader$Typings extension

no setter

empty → num

Available on FileReader, provided by the FileReader$Typings extension

no setter

error → DOMException?

Available on FileReader, provided by the FileReader$Typings extension

no setter

hashCode → int

The hash code for this object.

no setter, inherited

loading → num

Available on FileReader, provided by the FileReader$Typings extension

no setter

onabort ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

onerror ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

onload ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

onloadend ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

onloadstart ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

onprogress ↔ dynamic Function(ProgressEvent<FileReader>)?

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

readAsArrayBuffer ↔ void Function(Blob)

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

readAsBinaryString ↔ void Function(Blob)

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

readAsDataURL ↔ void Function(Blob)

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

readAsText ↔ void Function(Blob, [String?])

Available on FileReader, provided by the FileReader$Typings extension

getter/setter pair

readyState → num

Available on FileReader, provided by the FileReader$Typings extension

no setter

removeEventListener ↔ void Function(String, [Object?, Object?])

Available on EventTarget, provided by the EventTarget$Typings extension

getter/setter pair

removeEventListener → ({void Function<K$ extends Event>(FileReaderEventMap<K$> type, dynamic listener(K$), [Object? options]) $1, void Function(String type, Object listener, [Object? options]) $2})

Available on FileReader, provided by the FileReader$Typings extension

Overload accessor: $1, $2

no setter

result → dynamic

Available on FileReader, provided by the FileReader$Typings extension

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited