Skip to main content

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

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

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

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • 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
      • • Vibe Coding
  • ammarkhan
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points

    Adding a property to a constructor

    Posted April 2, 2018 11:09am by ammarkhan
    .a{fill-rule:evenodd;}techdegree
    ammarkhan
    Front End Web Development Techdegree Student 21,661 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    2 Answers

  • Qasim Rashad
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Qasim Rashad
    Front End Web Development Techdegree Student 7,837 Points

    What I'm doing wrong?

    Posted February 21, 2018 9:27am by Qasim Rashad
    .a{fill-rule:evenodd;}techdegree
    Qasim Rashad
    Front End Web Development Techdegree Student 7,837 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    1 Answer

  • Bozin Madenski
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Bozin Madenski
    Full Stack JavaScript Techdegree Student 773 Points

    Can't figure it out

    Posted February 6, 2018 5:37pm by Bozin Madenski
    .a{fill-rule:evenodd;}techdegree
    Bozin Madenski
    Full Stack JavaScript Techdegree Student 773 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    3 Answers

  • ARANTXA LARIA ALBERT
    ARANTXA LARIA ALBERT
    7,080 Points

    Creating a constructor function

    Posted August 20, 2017 11:59am by ARANTXA LARIA ALBERT
    ARANTXA LARIA ALBERT
    7,080 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    2 Answers

  • Phillip Lewis
    Phillip Lewis
    8,594 Points

    Creating a constructor function that has a health property with a value 100. Not sure how to show attack one health.

    Posted January 31, 2017 4:47am by Phillip Lewis
    Phillip Lewis
    8,594 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    1 Answer

  • Harper Frankstone
    Harper Frankstone
    5,156 Points

    A new instance of a constructor function

    Posted January 27, 2017 12:58am by Harper Frankstone
    Harper Frankstone
    5,156 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    1 Answer

  • Tiffany White
    Tiffany White
    5,373 Points

    I am confused by the instructions here.

    Posted April 26, 2016 11:29pm by Tiffany White
    Tiffany White
    5,373 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    2 Answers

  • kushalmahajan2
    kushalmahajan2
    7,683 Points

    Need help with task 3 of creating health property

    Posted September 20, 2015 5:32am by kushalmahajan2
    kushalmahajan2
    7,683 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    4 Answers

  • Edward Stieren
    Edward Stieren
    5,997 Points

    Modify the Monster constructor to take one parameter of name. Inside the constructor function, when it creates a new ins

    Posted August 18, 2015 10:03pm by Edward Stieren
    Edward Stieren
    5,997 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    1 Answer

  • Melissa Allgeier
    Melissa Allgeier
    13,564 Points

    I don't understand what it's asking me to do here. Everything I've tried doesn't work.

    Posted July 27, 2015 5:31pm by Melissa Allgeier
    Melissa Allgeier
    13,564 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    2 Answers

  • eli d
    PLUS
    eli d
    Courses Plus Student 2,510 Points

    Finally, Monsters have a health property. When they take damage from the player, their health will reduce. All new Monst

    Posted July 18, 2015 11:09pm by eli d
    eli d
    Courses Plus Student 2,510 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    8 Answers

  • Veronica Rivera
    Veronica Rivera
    32,599 Points

    Create a Constructor Task 1. I do not understand what it is asking me to do.

    Posted July 11, 2015 10:48pm by Veronica Rivera
    Veronica Rivera
    32,599 Points
    • JavaScript
    • Object-Oriented JavaScript (2015)
    • Constructor Functions and Prototypes
    • Create a Constructor

    3 Answers

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

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

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

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord