Skip to main content

NOTICE: On Friday Nov 6, Workspaces will be temporarily unavailable for maintenance.

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

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

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

  • 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
  • jack twist
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    jack twist
    Full Stack JavaScript Techdegree Student 18,575 Points

    var birdCounter = makeCounter(); Isn't the birdCounter a variable? But why when we call it, it becomes: birdCounter()

    Posted August 12, 2021 9:42am by jack twist
    .a{fill-rule:evenodd;}techdegree
    jack twist
    Full Stack JavaScript Techdegree Student 18,575 Points
    • JavaScript
    • Fixing Our Problem with Closures

    2 Answers

  • Amy Tomey
    Amy Tomey
    12,847 Points

    VM660:1 Uncaught ReferenceError: makeCounter is not defined at <anonymous>:1:18

    Posted July 22, 2021 4:49pm by Amy Tomey
    Amy Tomey
    12,847 Points
    • JavaScript
    • Fixing Our Problem with Closures

    0 Answers

  • Michael Cook
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Michael Cook
    Full Stack JavaScript Techdegree Graduate 28,975 Points

    Do I understand this?

    Posted January 26, 2020 8:20pm by Michael Cook
    .a{fill-rule:evenodd;}techdegree seal-36
    Michael Cook
    Full Stack JavaScript Techdegree Graduate 28,975 Points
    • JavaScript
    • Fixing Our Problem with Closures

    1 Answer

  • Michalis Efstathiou
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Michalis Efstathiou
    Full Stack JavaScript Techdegree Student 8,605 Points

    Closures - Still unsure why the counter resets

    Posted January 24, 2019 3:54pm by Michalis Efstathiou
    .a{fill-rule:evenodd;}techdegree
    Michalis Efstathiou
    Full Stack JavaScript Techdegree Student 8,605 Points
    • JavaScript
    • Fixing Our Problem with Closures

    1 Answer

  • Marissa Smith
    Marissa Smith
    16,609 Points

    Closures- console returning a function instead of executing code inside of inner function

    Posted December 10, 2018 6:37pm by Marissa Smith
    Marissa Smith
    16,609 Points
    • JavaScript
    • Fixing Our Problem with Closures

    2 Answers

  • brandonlind2
    brandonlind2
    7,823 Points

    Outer closure function doesn't reset but inner one does?

    Posted October 21, 2016 6:31am by brandonlind2
    brandonlind2
    7,823 Points
    • JavaScript
    • Fixing Our Problem with Closures

    1 Answer

  • Leon Segal
    Leon Segal
    14,754 Points

    Closures - function statements vs function expressions

    Posted August 4, 2016 5:36pm by Leon Segal
    Leon Segal
    14,754 Points
    • JavaScript
    • Fixing Our Problem with Closures

    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