Join our Live Career-Building Workshop: Fast-Track Your Tech Career Without a Degree! ⭐ Register here!

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

🌟 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
  • Michael Goodwin
    Michael Goodwin
    440 Points

    Is the cleanup code buggy as written?

    Posted August 19, 2024 5:40am by Michael Goodwin
    Michael Goodwin
    440 Points
    • JavaScript
    • React Components
    • Stateful Components and the Effect Hook
    • Updating the Stopwatch State Using the Effect Hook

    0 Answers

  • Michael Goodwin
    Michael Goodwin
    440 Points

    Alternative to passing id down to Counter component?

    Posted August 17, 2024 4:57pm by Michael Goodwin
    Michael Goodwin
    440 Points
    • JavaScript
    • React Components
    • Data Flow
    • Update State Based on a Player's Id

    0 Answers

  • Formazione Opentech
    Formazione Opentech
    1,719 Points

    relative path

    Posted August 1, 2024 9:15am by Formazione Opentech
    Formazione Opentech
    1,719 Points
    • JavaScript
    • React Components
    • Build Modular Interfaces with Components
    • Modules Review

    1 Answer

  • eric yeboah
    eric yeboah
    302 Points

    problem with setting the developer server

    Posted April 2, 2024 12:43pm by eric yeboah
    eric yeboah
    302 Points
    • JavaScript
    • React Components
    • Data Flow
    • Communicating between Components

    5 Answers

  • eric yeboah
    eric yeboah
    302 Points

    why not Application state

    Posted April 2, 2024 12:02am by eric yeboah
    eric yeboah
    302 Points
    • JavaScript
    • React Components
    • Data Flow
    • Lifting State up

    2 Answers

  • Ericka Erickson
    Ericka Erickson
    9,982 Points

    why is this wrong is event.target.value not how you acess the value from the event?

    Posted January 9, 2024 7:22pm by Ericka Erickson
    Ericka Erickson
    9,982 Points
    • JavaScript
    • React Components
    • Managing State
    • Managing State Review

    1 Answer

  • Ericka Erickson
    Ericka Erickson
    9,982 Points

    why isnt this is {}

    Posted November 30, 2023 5:36pm by Ericka Erickson
    Ericka Erickson
    9,982 Points
    • JavaScript
    • React Components
    • Data Flow
    • Update State Based on a Player's Id

    1 Answer

  • Ericka Erickson
    Ericka Erickson
    9,982 Points

    can you explain the use of delta as the argument passed

    Posted November 30, 2023 5:00pm by Ericka Erickson
    Ericka Erickson
    9,982 Points
    • JavaScript
    • React Components
    • Data Flow
    • Communicating between Components

    1 Answer

  • jobbol
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    jobbol
    Full Stack JavaScript Techdegree Student 17,885 Points

    Set state function updates twice

    Posted October 21, 2023 6:39am by jobbol
    .a{fill-rule:evenodd;}techdegree
    jobbol
    Full Stack JavaScript Techdegree Student 17,885 Points
    • JavaScript
    • React Components
    • Data Flow
    • Update State Based on a Player's Id

    1 Answer

  • Simon Coates
    Simon Coates
    8,377 Points

    Is there are reason to use useRef for the solution rather than just using a normal javascript variable?

    Posted September 20, 2023 11:31am by Simon Coates
    Simon Coates
    8,377 Points
    • JavaScript
    • React Components
    • React Component Patterns
    • The React Challenge: Solution

    1 Answer

  • Roderick Hung
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Roderick Hung
    Front End Web Development Techdegree Graduate 23,182 Points

    I can not get the player id to increment by one. Help please

    Posted August 4, 2023 6:37am by Roderick Hung
    .a{fill-rule:evenodd;}techdegree seal-36
    Roderick Hung
    Front End Web Development Techdegree Graduate 23,182 Points
    • JavaScript
    • React Components
    • React Component Patterns
    • Refs and the DOM

    3 Answers

  • Rachel Heneault
    Rachel Heneault
    12,401 Points

    Explain how data is recognized from child to parent

    Posted July 4, 2023 4:38pm by Rachel Heneault
    Rachel Heneault
    12,401 Points
    • JavaScript
    • React Components
    • Data Flow
    • Communicating between Components

    2 Answers

  • Amy Preci
    Amy Preci
    6,247 Points

    I'm just wondering what other solutions people came up with. Is there a way to simplify the "isHighScore" prop?

    Posted March 28, 2023 10:29pm by Amy Preci
    Amy Preci
    6,247 Points
    • JavaScript
    • React Components
    • React Component Patterns
    • The React Challenge: Solution

    1 Answer

  • Alex Hort-Francis
    Alex Hort-Francis
    17,074 Points

    `props.id` vs `id` in the click event handler callback function.

    Posted February 23, 2023 7:32pm by Alex Hort-Francis
    Alex Hort-Francis
    17,074 Points
    • JavaScript
    • React Components
    • Data Flow
    • Update State Based on a Player's Id

    1 Answer

  • Stephen Pierce
    Stephen Pierce
    12,047 Points

    Where was prevScore defined?

    Posted February 3, 2023 8:58pm by Stephen Pierce
    Stephen Pierce
    12,047 Points
    • JavaScript

    1 Answer

  • David Curran
    David Curran
    7,682 Points

    Input name field not clearing when I submit the name to the app

    Posted January 4, 2023 4:39pm by David Curran
    David Curran
    7,682 Points
    • JavaScript
    • React Components
    • Managing State
    • Adding Items to State

    2 Answers

  • Seth wright
    Seth wright
    952 Points

    Why declare a variable for the total number of players instead of putting the data inline?

    Posted November 30, 2022 2:42am by Seth wright
    Seth wright
    952 Points
    • JavaScript
    • React Components
    • Managing State
    • Building the Statistics Component

    1 Answer

  • Suan Choi
    seal-mask
    PLUS
    .a{fill-rule:evenodd;}techdegree seal-36
    Suan Choi
    Front End Web Development Techdegree Graduate 16,587 Points

    Is it necessary to use anonymous arrow functions in onClick method for incrementScore/decrementScore?

    Posted November 25, 2022 10:27pm by Suan Choi
    .a{fill-rule:evenodd;}techdegree seal-36
    Suan Choi
    Front End Web Development Techdegree Graduate 16,587 Points
    • JavaScript

    2 Answers

  • Ben McMahan
    Ben McMahan
    7,922 Points

    prevValue?

    Posted October 25, 2022 4:25pm by Ben McMahan
    Ben McMahan
    7,922 Points
    • JavaScript
    • React Components
    • Stateful Components and the Effect Hook
    • Stopwatch State

    1 Answer

  • Ben McMahan
    Ben McMahan
    7,922 Points

    Spread syntax?

    Posted October 24, 2022 3:59pm by Ben McMahan
    Ben McMahan
    7,922 Points
    • JavaScript
    • React Components
    • Data Flow
    • Update State Based on a Player's Id

    2 Answers

  • Austin Miller
    Austin Miller
    1,047 Points

    How do you create a local server?

    Posted October 10, 2022 10:34pm by Austin Miller
    Austin Miller
    1,047 Points
    • JavaScript

    2 Answers

  • Ryli Davis
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Ryli Davis
    Full Stack JavaScript Techdegree Graduate 15,136 Points

    I'm having trouble understanding what you mean when you say "The handleRemovePlayer function looks at the previous...

    Posted October 5, 2022 8:58pm by Ryli Davis
    .a{fill-rule:evenodd;}techdegree seal-36
    Ryli Davis
    Full Stack JavaScript Techdegree Graduate 15,136 Points
    • JavaScript

    1 Answer

  • Tyler McDonald
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Tyler McDonald
    Full Stack JavaScript Techdegree Graduate 16,700 Points

    Is it necessary to use prevScore in the setScore functions?

    Posted September 13, 2022 12:51am by Tyler McDonald
    .a{fill-rule:evenodd;}techdegree seal-36
    Tyler McDonald
    Full Stack JavaScript Techdegree Graduate 16,700 Points
    • JavaScript

    1 Answer

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.