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

Join our Live Career-Building Workshop: Fast-Track Your Tech Career Without a Degree! ⭐ 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
  • karan Badhwar
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    karan Badhwar
    Web Development Techdegree Graduate 18,135 Points

    How filter() or setTimeout() methods invoke functions without parenthesis

    Posted February 3, 2022 6:22am by karan Badhwar
    .a{fill-rule:evenodd;}techdegree seal-36
    karan Badhwar
    Web Development Techdegree Graduate 18,135 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    1 Answer

  • Muaaz Matwadia
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Muaaz Matwadia
    Full Stack JavaScript Techdegree Graduate 19,327 Points

    if statment?

    Posted March 26, 2021 2:43pm by Muaaz Matwadia
    .a{fill-rule:evenodd;}techdegree seal-36
    Muaaz Matwadia
    Full Stack JavaScript Techdegree Graduate 19,327 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    1 Answer

  • Tom McLean
    Tom McLean
    11,045 Points

    Why use let for sNames?

    Posted March 1, 2019 4:14pm by Tom McLean
    Tom McLean
    11,045 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    2 Answers

  • Seth Miller
    Seth Miller
    5,851 Points

    Assigning the filter callback to a variable

    Posted October 26, 2018 1:23am by Seth Miller
    Seth Miller
    5,851 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    2 Answers

  • ammarkhan
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points

    Why this code won't work?

    Posted March 24, 2018 6:33pm by ammarkhan
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    1 Answer

  • ammarkhan
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points

    what does argument do in filter function?

    Posted March 10, 2018 3:41pm by ammarkhan
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    1 Answer

  • Tony Brackins
    Tony Brackins
    28,766 Points

    Fat Arrow Refactor

    Posted December 10, 2017 3:55pm by Tony Brackins
    Tony Brackins
    28,766 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    1 Answer

  • Michael Caveney
    Michael Caveney
    50,144 Points

    Practice filter()

    Posted November 2, 2017 8:53pm by Michael Caveney
    Michael Caveney
    50,144 Points
    • JavaScript
    • JavaScript Array Iteration Methods
    • Array Manipulation
    • Remove Array Items with filter()

    7 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.