Double quotes and variable

[Raphael MANZANO]

Hello.

First, excuse my bad english ... i'm French ...


This is my problem: I want to use node-red function to resend a value from one mqtt topic to another.

I use this function to round the value:

var nombre = msg.payload;
arrondi = nombre*100;         
arrondi = Math.round(arrondi);
arrondi = arrondi/100;
msg.payload = {};
msg.payload.idx = 1749;
msg.payload.svalue = arrondi;
return msg;


It's work fine but i need to add double quote before and after arrondi value.


For the moment the msg is like this: { "idx": 1749, "svalue": 20.6 } and i would like it be like this: { "idx": 1749, "svalue": "20.6" }



I've try to escape double quotes (\") but it doesn't work :(

Can someone explain me how to do please ?

Thanks a lot.

[Nick O'Leary]

Currently, arrondi is a number type and you need it to be a String.

Easiest way to do that:

msg.payload.svalue = ""+arrondi;

Regards,
Nick

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[Raphael MANZANO]

Thank you: it's working.

Regards