🤑 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
  • Kayc M
    Kayc M
    12,593 Points

    Can't log map using template literals, why?

    Posted February 18, 2020 11:02pm by Kayc M
    Kayc M
    12,593 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    2 Answers

  • Michael Pashkov
    Michael Pashkov
    22,024 Points

    Why let declared once?

    Posted July 24, 2018 5:02pm by Michael Pashkov
    Michael Pashkov
    22,024 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    1 Answer

  • Leo Marco Corpuz
    Leo Marco Corpuz
    18,975 Points

    I thought the values are set as strings

    Posted March 9, 2018 1:31am by Leo Marco Corpuz
    Leo Marco Corpuz
    18,975 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    1 Answer

  • Denis Savenko
    PLUS
    Denis Savenko
    Courses Plus Student 6,994 Points

    JavaScript Map is like Python dictionary?

    Posted October 10, 2017 8:53am by Denis Savenko
    Denis Savenko
    Courses Plus Student 6,994 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    1 Answer

  • Hasan Rayan
    PLUS
    Hasan Rayan
    Courses Plus Student 91 Points

    Why do we need a Map, if we have Object?

    Posted October 5, 2017 4:57am by Hasan Rayan
    Hasan Rayan
    Courses Plus Student 91 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    2 Answers

  • Sheryl Darroch
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Sheryl Darroch
    Treehouse Project Reviewer

    Why does he use [0] and [1] in his for of loop?

    Posted August 21, 2017 5:26pm by Sheryl Darroch
    .a{fill-rule:evenodd;}techdegree seal-36
    Sheryl Darroch
    Treehouse Project Reviewer
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    3 Answers

  • cyber voyager
    cyber voyager
    8,859 Points

    What's the difference between set and add?

    Posted June 16, 2017 5:07pm by cyber voyager
    cyber voyager
    8,859 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    2 Answers

  • cyber voyager
    cyber voyager
    8,859 Points

    Well, that's weird.

    Posted June 16, 2017 4:59pm by cyber voyager
    cyber voyager
    8,859 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    2 Answers

  • Kangin Choi
    Kangin Choi
    4,174 Points

    ` vs '

    Posted June 16, 2017 1:01am by Kangin Choi
    Kangin Choi
    4,174 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    1 Answer

  • cyber voyager
    cyber voyager
    8,859 Points

    What in the world is going on?!

    Posted June 14, 2017 7:24pm by cyber voyager
    cyber voyager
    8,859 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

    1 Answer

  • Akshat Gupta
    Akshat Gupta
    1,438 Points

    what is the logical difference between a js object and js map as both are a collection of key value pairs?

    Posted August 29, 2016 6:58am by Akshat Gupta
    Akshat Gupta
    1,438 Points
    • JavaScript
    • Introducing ES2015
    • Objects and New Collection Types
    • Map

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

© 2024 Treehouse Island, Inc.