# Pastebin WGfYMZmK class Zone { constructor(properties) { this.name = properties.name; this.parent = properties.parent; this.children = properties.children } } class Device { constructor(properties) { this.name = properties.name; this.type = properties.type; this.zone = properties.zone; } } class TemperatureSensor extends Device { function get_temperature() { "use strict"; return "20.5"; // determined by actual thermometer, guaranteed to be legit } }