SOURCE

var users = [
    { 'user': 'barney', 'age': 36, 'active': true },
    { 'user': 'fred', 'age': 40, 'active': false },
    { 'user': 'pebbles', 'age': 1, 'active': true }
];
var a = _.find(users, { 'age': 1, 'active': true });
console.log(a)
var object = { 'a': 1 };
var other = { 'a': 1 };
 
console.log(_.isEqual(object, other));