I think DrAzzy has summed it up pretty well... Do the reset and press BTN1 right after and Espruino will skip loading from flash.
Also you might find that Ctrl-C will break out of execution too...
@Gordon started
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.
I think DrAzzy has summed it up pretty well... Do the reset and press BTN1 right after and Espruino will skip loading from flash.
Also you might find that Ctrl-C will break out of execution too...