Skip to main content

Notice: Workspaces are undergoing maintenance and are temporarily unavailable.

🚀 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
  • Roger Hwang
    Roger Hwang
    3,851 Points

    Should we be using "let" and "const" now instead of "var"? What will be accepted in this curriculum?

    Posted October 27, 2018 9:35pm by Roger Hwang
    Roger Hwang
    3,851 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    4 Answers

  • Rohit Sagar
    Rohit Sagar
    5,938 Points

    What is ECMAScript 2015 ?

    Posted August 31, 2018 8:53am by Rohit Sagar
    Rohit Sagar
    5,938 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    3 Answers

  • Jason Berry
    Jason Berry
    5,180 Points

    Videos are buffering

    Posted May 3, 2018 4:13pm by Jason Berry
    Jason Berry
    5,180 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    1 Answer

  • Justin Oswald
    Justin Oswald
    5,969 Points

    Can Variable names not begin with an upper case letter? such as var Home_alone.

    Posted November 13, 2017 9:02pm by Justin Oswald
    Justin Oswald
    5,969 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    3 Answers

  • Michael Godard
    Michael Godard
    5,399 Points

    Does the first letter of a variable name have to be lowercase?

    Posted March 14, 2016 7:47pm by Michael Godard
    Michael Godard
    5,399 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    4 Answers

  • Thomas Katalenas
    Thomas Katalenas
    11,033 Points

    Why are cairrage returns?

    Posted March 3, 2016 5:49pm by Thomas Katalenas
    Thomas Katalenas
    11,033 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    3 Answers

  • YAWEI SONG
    YAWEI SONG
    9,168 Points

    Is a uppercase value name different from a lowercase value name? such as "ID" and "id"

    Posted December 14, 2015 6:11pm by YAWEI SONG
    YAWEI SONG
    9,168 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    4 Answers

  • kevinardo
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    kevinardo
    Front End Web Development Techdegree Student 33,962 Points

    JavaScript Variable name validator

    Posted November 17, 2015 9:05am by kevinardo
    .a{fill-rule:evenodd;}techdegree
    kevinardo
    Front End Web Development Techdegree Student 33,962 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    0 Answers

  • Sonu Malik
    Sonu Malik
    750 Points

    where can i download video in this file ?

    Posted September 6, 2015 8:04am by Sonu Malik
    Sonu Malik
    750 Points
    • JavaScript
    • JavaScript Basics (Retired)
    • Storing and Tracking Information with Variables
    • Naming Variables

    2 Answers

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