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

New No-Code Track! 🚀 New videos dropping every week—start learning today!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

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

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Community Projects
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Community Projects Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • Android
      • • 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
  • Liam VanOrden
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Liam VanOrden
    Full Stack JavaScript Techdegree Student 1,194 Points

    when i try to call the document.querySelect'main'; in the console it returns unexpected string

    Posted May 23, 2023 7:22pm by Liam VanOrden
    .a{fill-rule:evenodd;}techdegree
    Liam VanOrden
    Full Stack JavaScript Techdegree Student 1,194 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Emily Shaindlin
    Emily Shaindlin
    692 Points

    Typed exactly what was given. Got a 'uncaught syntax error' when i run it in the browser. Why would this be?

    Posted June 22, 2022 2:50pm by Emily Shaindlin
    Emily Shaindlin
    692 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Paige Hand
    Paige Hand
    6,269 Points

    my .innerHTML is throwing an error (im on vs code): Cannot set properties of null (setting 'innerHTML')

    Posted June 10, 2022 9:36pm by Paige Hand
    Paige Hand
    6,269 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    2 Answers

  • James Summers
    James Summers
    704 Points

    getting an invalid syntax error

    Posted May 6, 2022 8:02pm by James Summers
    James Summers
    704 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Daniel Corio-Rosas
    Daniel Corio-Rosas
    6,995 Points

    I'm pressing enter but nothing happens when I run it , only getting the prompt. Why?

    Posted May 2, 2022 10:43am by Daniel Corio-Rosas
    Daniel Corio-Rosas
    6,995 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • karan Badhwar
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    karan Badhwar
    Web Development Techdegree Graduate 18,135 Points

    String with HTML tag

    Posted November 24, 2021 7:11pm by karan Badhwar
    .a{fill-rule:evenodd;}techdegree seal-36
    karan Badhwar
    Web Development Techdegree Graduate 18,135 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Josh Burczyk
    Josh Burczyk
    4,440 Points

    Why is my console returning "<main></main> = $1"?

    Posted April 17, 2021 7:48pm by Josh Burczyk
    Josh Burczyk
    4,440 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • rb54
    rb54
    4,087 Points

    Why does my Browser only seem to recognize two elements Body and Header but not Main

    Posted March 14, 2021 1:07am by rb54
    rb54
    4,087 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Delicia Wharton
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Delicia Wharton
    UX Design Techdegree Student 11,098 Points

    Is this valid code

    Posted October 5, 2020 4:01pm by Delicia Wharton
    .a{fill-rule:evenodd;}techdegree
    Delicia Wharton
    UX Design Techdegree Student 11,098 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    2 Answers

  • Billy Gragasin
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Billy Gragasin
    Full Stack JavaScript Techdegree Student 4,985 Points

    is this valid though?

    Posted August 10, 2020 4:23pm by Billy Gragasin
    .a{fill-rule:evenodd;}techdegree
    Billy Gragasin
    Full Stack JavaScript Techdegree Student 4,985 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • MOSHE SCHWIMMER
    MOSHE SCHWIMMER
    6,301 Points

    querySelector and innerHTML vs document.write

    Posted June 11, 2020 2:57am by MOSHE SCHWIMMER
    MOSHE SCHWIMMER
    6,301 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Jasper Kop
    Jasper Kop
    10,423 Points

    Why is there an extra line for the .toUpperCase() ?

    Posted May 13, 2020 11:28am by Jasper Kop
    Jasper Kop
    10,423 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    3 Answers

  • Alexandra Velez
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Alexandra Velez
    Front End Web Development Techdegree Student 9,313 Points

    Why does Chrome Dev tools give a 404 message for shout.js lesson?

    Posted May 12, 2020 3:29pm by Alexandra Velez
    .a{fill-rule:evenodd;}techdegree
    Alexandra Velez
    Front End Web Development Techdegree Student 9,313 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    4 Answers

  • Sereta Baldwin
    Sereta Baldwin
    6,183 Points

    Is there a reason to have the extra variable?

    Posted April 8, 2020 6:04pm by Sereta Baldwin
    Sereta Baldwin
    6,183 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    1 Answer

  • Buster Siem
    Buster Siem
    7,280 Points

    Can you use double quotation-marks, instead of single - which is used in Guil's video - to access the targeted element?

    Posted March 9, 2020 2:54pm by Buster Siem
    Buster Siem
    7,280 Points
    • JavaScript
    • JavaScript Basics
    • Working with Strings
    • Display the Value of a String on a Page

    2 Answers

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

    Treehouse

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

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.