_.has
_.has(object, path)var object = { 'a': { 'b': 2 } };
var other = _.create({ 'a': _.create({ 'b': 2 }) });
_.has(object, 'a');
// => true
_.has(object, 'a.b');
// => true
_.has(object, ['a', 'b']);
// => true
_.has(other, 'a');
// => falseLast updated