DetachedWindowAPI

DetachedWindowAPI is an API for communicating with the internal Browser in a detached Window. A Window is considered detached when the instance is created directly without going through the Browser API (e.g. new Window()).

An instance of DetachedWindowAPI is available as happyDOM on the Window object.

Signature

class DetachedWindowAPI

Example 1

import { Window } from "happy-dom";

const window = new Window({ url: "https://localhost:3000" });

window.happyDOM.settings.navigation.userAgent =
	"Mozilla/5.0 (X11; Linux x64) AppleWebKit/537.36 (KHTML, like Gecko) HappyDOM/2.0.0";

await window.happyDOM.close();

Example 2

import { Window } from "happy-dom";

const window = new Window({ url: "https://localhost:3000" });

window.document.write(`
    <script>
        setTimeout(() => {
            document.body.innerHTML = "Hello World!";
        }, 10);
    </script>
`);

await window.happyDOM.waitUntilComplete();

// Outputs "Hello World!"
console.log(window.document.body.innerHTML);

await window.happyDOM.close();

Constructor

Parameter	Type	Description
browserFrame	IBrowserFrame	Browser frame.

Properties

Property	Modifiers	Type	Description
settings	readonly	IBrowserSettings	Browser settings. The settings can be modified runtime.
virtualConsolePrinter	readonly	VirtualConsolePrinter	API for reading the output of the virtual console when using a VirtualConsole.

Methods

Method	Return type	Description
close()	Promise<void>	Closes the window and associated browser.
waitUntilComplete()	Promise<void>	Waits for all ongoing operations to complete. This includes operations done inside loaded pages, such as loading resources and executing scripts.
abort()	Promise<void>	Aborts all ongoing operations.
setURL(url: string)	void	Sets URL without navigating the browser.
setViewport(viewport: IOptionalBrowserPageViewport)	void	Sets viewport.