ProgressEvent

Events measuring progress of an underlying process, like an HTTP request (for an XMLHttpRequest, or the loading of the underlying resource of an , , , or ).

class ProgressEvent<T extends EventTarget = EventTarget> extends Event {

constructor(type: string, eventInitDict?: ProgressEventInit);


readonly lengthComputable: boolean;


readonly loaded: number;


readonly target: T | null;


readonly total: number;


}

Type Parameters

T extends EventTarget = EventTarget

Extends

Event

Constructors

new ProgressEvent(type: string, eventInitDict?: ProgressEventInit)

Properties

lengthComputable: boolean

loaded: number

target: T | null

total: number