Function hasKey

jasmine-1.1.0.js:863–865

(obj, keyName)

  b.__Jasmine_been_here_before__ = a;

  var hasKey = function(obj, keyName) {
    return obj !== null && obj[keyName] !== jasmine.undefined;
  };

  for (var property in b) {
    if (!hasKey(a, property) && hasKey(b, property)) {