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

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ Register here!

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

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • 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
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • 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
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Hugo Zaanen
    Hugo Zaanen
    11,897 Points

    atrr., addClass doesnt function

    Posted March 17, 2021 1:39pm by Hugo Zaanen
    Hugo Zaanen
    11,897 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    1 Answer

  • Cody Tapp
    Cody Tapp
    9,667 Points

    Someone needs to mix these videos better. The typing sounds are extremely annoying.

    Posted January 17, 2020 8:20pm by Cody Tapp
    Cody Tapp
    9,667 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    0 Answers

  • Roald Jurrian Kamman
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Roald Jurrian Kamman
    Front End Web Development Techdegree Graduate 15,544 Points

    .attr, .css, and .addClass not working.

    Posted January 6, 2020 6:08pm by Roald Jurrian Kamman
    .a{fill-rule:evenodd;}techdegree seal-36
    Roald Jurrian Kamman
    Front End Web Development Techdegree Graduate 15,544 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    2 Answers

  • Himanshu Shukla
    Himanshu Shukla
    542 Points

    class not applied

    Posted June 7, 2018 8:30am by Himanshu Shukla
    Himanshu Shukla
    542 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    5 Answers

  • Hakim Rachidi
    Hakim Rachidi
    38,490 Points

    Download attribute in Safari or Firefox?!

    Posted February 15, 2018 6:57pm by Hakim Rachidi
    Hakim Rachidi
    38,490 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    1 Answer

  • Nick Burton
    Nick Burton
    7,387 Points

    'background-color vs 'backgroundColor'

    Posted February 10, 2018 8:49pm by Nick Burton
    Nick Burton
    7,387 Points
    • JavaScript
    • jQuery Basics
    • Working with jQuery Collections
    • Changing Element Styles and Classes

    3 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
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2024 Treehouse Island, Inc.