up.proxy.preload(linkOrSelector, options)
This feature is experimental. It may be removed or changed in a future version without prior notice or deprecation.
Preloads the given link.
When the link is clicked later, the response will already be cached, making the interaction feel instant.
The element whose destination should be preloaded.
Options that will be passed to the function making the HTTP requests.
A promise that will be fulfilled when the request was loaded and cached
