origin

Summary

Gets the URL of the document of origin.

Property of dom/MessageEventdom/MessageEvent

Syntax

Note: This property is read-only.

var messageOrigin = event.origin;

Return Value

Returns an object of type StringString

The origin URL of the document that sent the message.

Notes

In cross-document messaging, this property represents the originating URI of the document that sent the message (typically the URI includes the scheme, host name, and port of the document, but not its path or fragment identifier).

Related specifications

W3C HTML5

Working Draft

WHATWG HTML

Living Standard

Attributions

• Microsoft Developer Network: [Windows Internet Explorer API reference Article]