Edit in JSFiddle

var $results = $("#results"),
    strTruth = "true",
    one = 1,
    strOne = "1",
    truth = true,
    WTF = true;

var variables = {
    "true" : true,
    "false" : false,
    "'1'": "1",
    "'0'": "0",
    "1": 1,
    "0": 0,
    "-1": -1,
    "'True'": "True",
    "'False'": "False",
    "'true'": "true",
    "'false'": "false",
    "NaN": NaN
};

var keys = Object.keys(variables);

_.each(keys, function(prop){
  _.each(keys, function(name){
    var master = variables[prop],
      slave = variables[name],
      compareStr = prop + " == " + name,
      comparison = master == slave;
    print(compareStr, comparison);
  });
});

function print(comparison, result){
  $results.append("<tr class='"+result+"'><td>"+comparison+"</td><td>"+result+"</td></tr>");
}