You need to follow the instructions on the second half of this page.
Basically just do what you did before that said 'not in boot loader mode' last time.
As @DrAzzy said there are instructions specifically for your board on http://www.espruino.com/Other+Boards
@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.
You need to follow the instructions on the second half of this page.
Basically just do what you did before that said 'not in boot loader mode' last time.
As @DrAzzy said there are instructions specifically for your board on http://www.espruino.com/Other+Boards