Hello everyone, Im using Function node a lot. But I am seeing irratic behaviour of node red. Atleast thats how I percieve it. Might be due to a lack of understading :slight_smile: var nr_corr = global.get('NightReduction_current_value',"file"); msg.payload = nr_corr; return msg; Debug node after…

The number 0 is considered false, so if you you fetch 0 the or would kick in, as it is considered false.. Therefore it defaults to 10. You will need to use if else conditional to set a default. If undefined

jbudd 1 October 2022 15:27 2

Maybe you need to use persistent context?

https://discourse.nodered.org/t/a-guide-to-understanding-persistent-context/4115

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Context variable is reset on zero General	11	1793	16 June 2020
Generate retain variables using global.set/get General	11	838	15 December 2019
Error-Circular / Wrong usage of persistent global variables? General	18	1724	27 February 2020
Persistent global variables General	8	3806	11 March 2021
Global Variable being overwritten without global.set General	9	776	20 May 2021

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Global.get('')||0 inconsistent resutls (Function node)

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