Александр Коротаев

var root = {};
function add_routes(path, root) {
  path.split('\\')
    .reduce(function(currentNode, item){
      return currentNode = currentNode[item] = {};
    }, root)
}

var contacts = [{name: 'a', phone: 1},{name: 'b', phone: 2},{name: 'a', phone: 1}];
var contactsObj = {};
contacts.forEach(function(contact){
  contactsObj[contact.name + ':' + contact.phone] = {
    name: contact.name, 
    phone: contact.phone
  };
});
var uniqueContacts = Object.keys(contactsObj).map(function(key){ return contactsObj[key] })

var text = $(this).closest('.container').find('.tabs-item');