If have a payload that has the following: array[1] 0: object Index: 1 How the heck do I get to the value of the index key? This is a javascript array, with one element, that happens to be a javascript object? Or I am misunderstanding this? If someone bumps me to nodejs forum... ok. …

Swear I have tried that... All I get is undefined. Debug... 6/30/2020, 10:09:04 AMnode: QueryINSERT INTO Ambient(`Time`, `Altitude`, `Sensor`, `Temperature`, `Pressure`, `Humidity`, `Host`) VALUES (1593466209.1504729, null, 0, 32.10307469291219, null, 29.829861905851836, 0); : msg.payload : string…

Hi. You can save yourself a lot of trouble if you use the copy path button that appears when you hover over a debug output. You learn this and much more from this Playlist: Node-RED Essentials . It is by the developers of node-red. They're nice & short and to the point. You will understand a whole l…

Or, if you're more for the reading documentation based approach, this document from the Node-RED docs is worth a read: Working with Messages

I have watched some, read most. One of the reasons I have gone from zero to now, never having worked with Node Red before about 2 weeks ago, or touched Javascript... many other languages just not js based stuff. But I digress... I figured out why it was not working, my SQL statement was NOT return…

Curious... there is a flow.keys() function but no flow.values() function? That seems a bit odd.

flow.keys gives you the keys, which you can use to get the values. A javascript object does not have a method to get just the values as far as I know. The values would be meaningless without the associated keys as you wouldn't know which was which.

Node-RED

Node-RED Forum

Ok, My inexperience with Javascript is showing!

General

ristomatti 30 June 2020 21:19 10

You'll likely find the reason from this feature request I wrote (spoiler - it didn't get support): Support destructuring expression for context properties

Topic		Replies	Views
How to extract array index number? General	5	600	5 May 2023
Extracting Value using Javascript General function-node , home-assistant	7	254	26 February 2023
Retrieving variables from payload object General	14	11117	1 June 2021
How to read specific value from Array General	11	7125	30 August 2022
Lacking Knowledge - Templating JavaScript Object General	3	92	1 September 2024

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Ok, My inexperience with Javascript is showing!

Related topics