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MSWebViewAsyncOperation object

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Note

The features described in this document are no longer being maintained. For more information on the new WebView2 control, see Introduction to Microsoft Edge WebView2 (Preview).

Exposes whether the operation completed successfully or failed.

Events

complete

Indicates that the operation completed.

function handler(eventInfo) { /* Your code */ }
 
// addEventListener syntax
MSWebViewAsyncOperation.addEventListener("complete", handler);
MSWebViewAsyncOperation.removeEventListener("complete", handler);

Event Information
Interface Event
Synchronous Yes
Bubbles No
Cancelable No

error

Indicates that there was an error with the operation.

function handler(eventInfo) { /* Your code */ }
 
// addEventListener syntax
MSWebViewAsyncOperation.addEventListener("error", handler);
MSWebViewAsyncOperation.removeEventListener("error", handler);

Event Information
Interface Event
Synchronous Yes
Bubbles No
Cancelable No

Methods

start

Called to start the async task.

MSWebViewAsyncOperation.start();

Parameters

This method does not have parameters.

Return value

This method does not return a value.

Properties

error

The error that occurred.

This property is read-only.

var error = MSWebViewAsyncOperation.error;

Property value

Type: DOMError

oncomplete

The complete event handler.

var oncomplete = MSWebViewAsyncOperation.oncomplete;

Property value

Type: EventHandler

onerror

The error event handler.

var onerror = MSWebViewAsyncOperation.onerror;

Property value

Type: EventHandler

readyState

Describes the ready state of the object.

This property is read-only.

var readyState = MSWebViewAsyncOperation.readyState;

Property value

Type: unsigned short

result

The result of the operation.

This property is read-only.

var result = MSWebViewAsyncOperation.result;

Property value

Type: any

target

The target of the operation.

This property is read-only.

var target = MSWebViewAsyncOperation.target;

Property value

Type: MSHTMLWebViewElement

type

The type of the operation.

This property is read-only.

var type = MSWebViewAsyncOperation.type;

Property value

Type: unsigned short