Question

How to convert byte array to hex string in Node.js

Answer 1

function byteArrayToHexString(byteArray) {
    return Buffer.from(byteArray)
        .toString('hex')
        .toUpperCase();
}

// Simulated byte array
const byteArray = [3, 10, 13, 15, 16, 255];

// Convert to hex string
const hexString = byteArrayToHexString(byteArray);

console.log("Hex String:", hexString);



     
/*
run:
     
Hex String: 030A0D0F10FF
     
*/

 

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