Node-RED Q & A

Node-RED Questions and Answers. Node-RED is a flow-based (visual) programming tool. These pages have some information that may be currently missing from the documentation or may expand on it.
Some hints for debugging Node-RED flows
Using the Visual Studio Code debugger to debug Node-RED issues
Some detail not included in the documentation.
Node-RED tried to pass messages by reference not copy. Sometimes though, a copy is needed.
The ACE editor is used in the function node to help you create well-formed JavaScript. However, there are now a number of different versions of JavaScript and it is sometimes helpful to use slightly different styles of coding to the defaults.