Please take a picture of your wiring and do a table like this:
http://forum.espruino.com/comments/12997920/
Display NodeMCU ESP-12 Colour LED 3V3 3V3 N/A SCLCK D5 GPIO14 Green DN<MOSI> D7 GPIO13 Yellow D/C D2 GPIO04 Orange RST D1 GPIO05 Brown SCE D8 GPIO15 Red GND GND GND Grey VCC 3V3 3V3 Blue BackLight GND GND Purple
As you can see here NodeMCU.D7 is gpio13
I don't think your init it matching how you have wired up.
@Wilberforce 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.
Please take a picture of your wiring and do a table like this:
http://forum.espruino.com/comments/12997920/
As you can see here NodeMCU.D7 is gpio13
I don't think your init it matching how you have wired up.