I don't think so, however FlashEEPROM could be changed to do that pretty easily (although it does wear-levelling already, so you'd only see the benefit if you couldn't to store all the EEPROM contents in RAM while doing the page erase).
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 don't think so, however FlashEEPROM could be changed to do that pretty easily (although it does wear-levelling already, so you'd only see the benefit if you couldn't to store all the EEPROM contents in RAM while doing the page erase).