Changes the networking MAC address on macOS.

change-mac-address.js

const { exec } = require("child_process");

let macAddress;

do {
  macAddress = "XX:XX:XX:XX:XX:XX".replace(/X/g, () =>
    "0123456789abcdef".charAt(Math.floor(Math.random() * 16))
  );
} while (parseInt(macAddress[1], 16) % 2 !== 0);

console.log(macAddress);

const cmd = "sudo ifconfig en0 ether " + macAddress;
console.log(cmd);

exec(cmd, (err, stdout, stderr) => {
  console.log(stdout);

  if (err || stderr) console.error("error: " + stderr);
});