Either way - priming Espruino with wifi for connecting/programming, or - just put some basic stuff on it in order to not have to load it every time on upload - both need a way to get the code there, and that would be conveniently through an upload / run from within the IDE's edit pane.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Either way - priming Espruino with wifi for connecting/programming, or - just put some basic stuff on it in order to not have to load it every time on upload - both need a way to get the code there, and that would be conveniently through an upload / run from within the IDE's edit pane.