@quo0/stiletto/stiletto-ui.init.js

With stiletto library you will be able to mock requests and choose between preconfigured responses right on the fly via UI

document.addEventListener('DOMContentLoaded', () => {
    const stilettoElement = document.createElement('stiletto-ui');
    document.body.appendChild(stilettoElement);        
    console.log('init-script: stiletto-ui created!');
});