Skip to main content

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

Join the Treehouse affiliate program and earn 25% recurring commission! 🤑

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Mahmoud Mansour
    Mahmoud Mansour
    1,393 Points

    The this keyword is not getting the user object and the error is data and salt arguments required

    Posted August 24, 2021 9:07am by Mahmoud Mansour
    Mahmoud Mansour
    1,393 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    0 Answers

  • Simon Coates
    Simon Coates
    8,495 Points

    Is he confusing express middleware and mongoose middleware?

    Posted August 6, 2021 4:42am by Simon Coates
    Simon Coates
    8,495 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    0 Answers

  • S K
    S K
    55 Points

    My app says it is connected to the default port and I switched to it in Mongo Shell but no users data listed where is it

    Posted July 25, 2019 7:44pm by S K
    S K
    55 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

  • Vlad Tanasie
    Vlad Tanasie
    7,201 Points

    After I click the Sign Up button I get 'data and salt arguments required' in the browser.

    Posted April 10, 2019 4:11pm by Vlad Tanasie
    Vlad Tanasie
    7,201 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

  • Vitaly Khe
    Vitaly Khe
    7,160 Points

    Need help on Mongoose methods and using JS keyword "this" inside

    Posted March 30, 2019 4:37pm by Vitaly Khe
    Vitaly Khe
    7,160 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

  • Daniel Baker
    Daniel Baker
    15,369 Points

    bcrypt needs python 2.x

    Posted February 1, 2019 9:53pm by Daniel Baker
    Daniel Baker
    15,369 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

  • Damian McCarthy
    Damian McCarthy
    3,656 Points

    My mongoose Schema variables are coming back undefined which making the hash not work.

    Posted July 17, 2018 9:16pm by Damian McCarthy
    Damian McCarthy
    3,656 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    3 Answers

  • michelle gleed
    michelle gleed
    23,811 Points

    Bcrypt Low Severity Vulnerability

    Posted June 26, 2018 4:00am by michelle gleed
    michelle gleed
    23,811 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

  • NiKole Maxwell
    NiKole Maxwell
    11,083 Points

    Validating Hash

    Posted July 9, 2017 11:10pm by NiKole Maxwell
    NiKole Maxwell
    11,083 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    3 Answers

  • Dennis Brown
    Dennis Brown
    28,742 Points

    Mongoose ES6/ES2015 Support

    Posted January 3, 2017 9:44pm by Dennis Brown
    Dennis Brown
    28,742 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    2 Answers

  • Khaled Pendleton
    Khaled Pendleton
    20,430 Points

    Are there only pre "save" hooks?

    Posted October 21, 2016 10:15pm by Khaled Pendleton
    Khaled Pendleton
    20,430 Points
    • JavaScript
    • User Authentication With Express and Mongo
    • User Registration
    • Storing Passwords Securely

    1 Answer

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

  • About
  • Blog
  • Community
  • Stories
  • Contact
  • Gift Card

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord