By default there is no watchdog, but you can add one with http://www.espruino.com/Reference#l_E_enableWatchdog
@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.
By default there is no watchdog, but you can add one with http://www.espruino.com/Reference#l_E_enableWatchdog