interface ProgressEvent
implements Event
Events measuring progress of an underlying process, like an HTTP request (for an XMLHttpRequest, or the loading of the underlying resource of an , , , or ).
Type Parameters
optional
T extends EventTarget = EventTargetProperties
readonly
target: T | nullEvents measuring progress of an underlying process, like an HTTP request (for an XMLHttpRequest, or the loading of the underlying resource of an , , , or ).
type
{ readonly prototype: ProgressEvent; new (type: string, eventInitDict?: ProgressEventInit): ProgressEvent; }