using recurrsion in node

users.js

    var createUser = function(userId, callback) {
        getLevelIds(userId,  function(arr){
            console.log(userId , arr  ,  'test')
            userId = arr
            callback();
        }) 
    }
    
    async.times(2, function(n, next){
        createUser(userId, function(err, user) {
            next(err, user)
        })
    }, function(err, users) {

        console.log('saved')
    });