Mine is not working in google chrome but it works on FF, thankfully. i'm using r221, which i suppose is the latest stable release right now.
[XMLHttpRequest cannot load file:///C:/Users/baconawa/Desktop/thesis/data.js. Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https, chrome-extension-resource.d.ys @ c2runtime.js:90]
[c2runtime.js:5 Error requesting data.js:ga @ c2runtime.js:5]
[c2runtime.js:5 XMLHttpRequestProgressEventga @ c2runtime.js:5]
[index.html:110 Uncaught (in promise) DOMException: Failed to register a ServiceWorker: The URL protocol of the current origin ('null') is not supported. index.html:110]
I pressed F12, and found these errors on chrome. xD