JSPM

import { GlobalRegistrator } from '@happy-dom/global-registrator';

GlobalRegistrator.register({ url: 'http://localhost:3000', width: 1920, height: 1080 });

document.body.innerHTML = `<button>My button</button>`;

const button = document.querySelector('button');

// Outputs: "My button"
console.log(button.innerText);

import { GlobalRegistrator } from '@happy-dom/global-registrator';

GlobalRegistrator.register();

GlobalRegistrator.unregister();

// Outputs: "undefined"
console.log(global.document);