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Does cloning elements (with ‘href’ resources defined), such as an image or link, or reading them from the DOM using jQuery, [does it] load the resources from the remote server?
When you clone an element, i.e., you copy it from somewhere and paste it into another part of the DOM, then browser sends another request to the server. But caching here helps us a lot.
However, reading something from DOM, does not trigger any HTTP Request.