To build jQuery, you need to have the latest Node.js/npm and git 1.7 or later. Earlier versions might work, but are not supported. For Windows, you have to download and install git and Node.js.

We are looking for contributors. Please check open issues in the above repos if you think you could help, or open a new one if you have an idea you'd like to discuss. jsDelivr is a free CDN for ...

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 too.