Web Reference: Node-RED Lesson 9- Function nodes- Understanding input button and output text. Use the coupon code🔥YOUTUBE 🔥to get 20% discount on the course - Node-RED ... The code entered into the Function node represents the bodyof the function.The most simple function simply returns the message exactly as-is: If the function returns null, then no message is passed on and the flow ends. The function must always return a msg object. Returning a number or string willresult in an error. The returned message object doe... Jan 20, 2025 · The function node is used to run JavaScript code. The function node accepts a msg object as input and can return 0 or more message objects as output.
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