<ul><li>NodeMCU is a development board based on the ESP8266 microcontroller, popular for IoT applications.</li><li>JavaScript can be used on NodeMCU through platforms like Espruino and Mongoose OS.</li><li>Espruino firmware enables scripting directly on the device, while Mongoose OS is an IoT firmware development platform that supports JavaScript and C.</li><li>Using JavaScript on NodeMCU simplifies development, enables event-driven programming, and facilitates integration with web technologies.</li></ul>

Using JavaScript with NodeMCU: A Comprehensive Guide

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