devtools/build/commands/getWindowHandle.js

A Chrome DevTools protocol binding that maps WebDriver commands into Chrome DevTools commands using Puppeteer

/**
 * The Get Window Handle command returns the window handle for the current top-level browsing context.
 * It can be used as an argument to Switch To Window.
 *
 * @alias browser.getWindowHandle
 * @see https://w3c.github.io/webdriver/#dfn-get-window-handle
 * @return {string}  Returns a string which is the window handle for the current top-level browsing context.
 */
export default async function getWindowHandle() {
    return this.currentWindowHandle;
}