Convert hexdecimal to binary

General
1

Hi. What am I doing wrong?
Where am I wrong?

'use strict';

var convertBase = function () {
    function convertBase(baseFrom, baseTo) {
        return function (num) {
            return parseInt(num, baseFrom).toString(baseTo);
        };
    }
    // hexadecimal to binary
    convertBase.hex2bin = convertBase(16, 2);
    return convertBase;
}();

var newMsg = convertBase.hex2bin('ff'); // '11111000'
return newMsg;

Writes an error "Function tried to send a message of type string"
They need a string. How to do it?
Thank you.

2

A quick search in the forum for "Function tried to send a message of type " would have saved you here.

In short, A function node must always return either the original message or a new object. The preference being returning the original msg

// Your code here
msg.payload = call_your_function(x)
return msg

Ps, did you use an AI for that function? It's a bit over the top! Something like below is all this really needs

const hex = "FF" // or msg.payload
msg.payload = (parseInt(hex, 16).toString(2)).padStart(8, '0')
return msg
3

It works. Thank you.

4

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