CDN JS doesn't have everything, but they do have one script many developers use all the time these days -- Modernizr. If there's a library you'd like to see hosted, be sure to let CDN JS know.

I'm trying to implement fallback.js in a webapp me and my team are writing but bounced upon some issues. Loading over CDN works fine and falling back to local .js files when CDN is offline works ...

Amazon Web Services (AWS) have released Lambda@Edge as generally available, allowing customers to run Node.js Lambda functions “at the edge” across AWS point-of-presence locations globally ...