Hi. When i am trying to get a global variable with function TotkWh = global.get("power.VK.gang.kWh.Total")||0; i get this error: function : (error) "TypeError: Cannot read property 'VK' of undefined" If i write it without . like this it works: TotkWh = global.get("powerVKgangkWhTotal")||0; i …

A context variable name must be a valid JavaScript identifier. That means it cannot have dots in its name, nor can it have [ ] - and I'm sure some other punctuation. When you do context.get('parts.foo') we will look up the context variable called parts and return its foo property. If parts doesn'…

zenofmud 8 February 2019 00:16 15

You can also read A guide to understanding 'Persistent Context'

Topic		Replies	Views
Getting undefined error in flow.get General	4	1726	17 March 2020
Confusion about global variables General	2	896	30 October 2021
TypeError: Cannot read properties of undefined (reading 'temperature') General function-node	4	327	9 January 2023
Why my global.get undefined General function-node	5	221	19 August 2023
Global variable undefined in subflow? General	22	1710	25 May 2021

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.

Error or bug with global get when undefined

Related topics