Nodejs code to convert hex string to byte array?

Question

Can anyone please tell me equivalent Nodejs code to convert hex string to byte array which is in Java

public static byte[] hexStringToByteArray(String s) {
    byte[] b = new byte[s.length() / 2];
    for (int i = 0; i < b.length; i++) {
        int index = i * 2;
        int v = Integer.parseInt(s.substring(index, index + 2), 16);
        b[i] = (byte) v;

    }
    return b;
}

Jake Holzinger · Accepted Answer · 2018-10-02 21:33:55Z

19

You can use Buffer.from(str, [encoding]) to perform the conversion.

Buffer.from(str, 'hex');

answered Oct 2, 2018 at 21:33

Jake Holzinger

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