canonical web service port numbering scheme. See blog post for details: http://www.codesuck.com/2014/01/a-simple-canonical-port-numbering.html

service-port.js

// given a service name return a canonical TCP port number in the range of 1024 - 33791
function port(serviceName)
{
  // replace any invalid digits with valid ones
  serviceName = serviceName.replace(/[^A-Va-v0-9]/g, mapSpecialChar);
  // take the first 3 characters (= first 15 bits), right padding with 0 as necessary
  serviceName = (serviceName + '00').substring(0, 3);
  // interpret as 15-bit, base32 encoded int,
  // then add 1024 to clear the restricted ports
  return parseInt(serviceName, 32) + 1024;
}

function mapSpecialChar(c)
{
  // find the closest (in ASCII space), valid, base-32 digit
  return ['0','9','A','V','a','v'].map(function (v) {
    return [ Math.abs(v.charCodeAt(0) - c.charCodeAt(0)), v ];
  }).sort(function (a, b) {
    return a[0] - b[0];
  })[0][1];
}