Function padHex

test/websocket/nodejs_websocket_echo_server.js:1–4

(number, digits)

function padHex(number, digits) {
  var s = number.toString(16);
  return Array(Math.max(digits - s.length + 1, 0)).join(0) + s;
}

function hexDump(bytes) {
  var s = ' ';