Micro jQuery method for easy DOM selection without plugins on 11 lines

jquery-micro.js

var $ = function(selector) {
  var matches = {
    '#': 'getElementById',          // $('#myId')
    '.': 'getElementsByClassName',  // $('.myClass')
    '@': 'getElementsByName',       // $('@myName')
    '=': 'getElementsByTagName',    // $('=body')
    '?': 'querySelectorAll'         // $('?anything')
  }, rex = /[=#@.*]/.exec(selector)[0];
  var nodes = document[matches[rex]](selector.split(rex)[1]);
  return nodes.length > 1 ? nodes : nodes[0];
};