Treehouse | Community | Review Array Methods and Iterating

🤑 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!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Laraib Mahdi
Full Stack JavaScript Techdegree Student 6,743 Points
I do not understand which method should i use with the scores variable

Posted May 27, 2021 8:03am by Laraib Mahdi

Laraib Mahdi
Full Stack JavaScript Techdegree Student 6,743 Points
1 Answer
Ryan Wikle
5,774 Points
I am getting an error that says “undefined is not an object”. Which part of the code is that referring to?

Posted May 8, 2021 3:17am by Ryan Wikle

Ryan Wikle
5,774 Points
3 Answers
Alonzo Delk
6,991 Points
I could use some help because I'm unsure as to why my code isn't working?

Posted May 4, 2021 9:16pm by Alonzo Delk

Alonzo Delk
6,991 Points
2 Answers
Esther AlQaisi
2,311 Points
Here's my code (I converted the search variable toLowerCase)

Posted May 3, 2021 12:00pm by Esther AlQaisi

Esther AlQaisi
2,311 Points
2 Answers
Esther AlQaisi
2,311 Points
Why is "return items" outside of the for loop?

Posted May 3, 2021 11:35am by Esther AlQaisi

Esther AlQaisi
2,311 Points
1 Answer
Marc Christiansen
1,744 Points
What does it want exactly?

Posted May 1, 2021 9:23am by Marc Christiansen

Marc Christiansen
1,744 Points
1 Answer
Kylie Soderblom
3,890 Points
What is the functional difference between Array.prototype.join() and Array.prototype.toString() ?

Posted April 9, 2021 4:23am by Kylie Soderblom

Kylie Soderblom
3,890 Points
1 Answer
Hanwen Zhang
20,084 Points
Help!!!!!! what is the answer for this one and why? what does the length mean here to get a total score?

Posted March 27, 2021 11:41pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
1 Answer
Hanwen Zhang
20,084 Points
Why do we need "document.querySelector('main').innerHTML = `<p>${message}</p>`" at the end? Also, where does it show up?

Posted March 27, 2021 11:37pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
1 Answer
Hanwen Zhang
20,084 Points
what does the "let message" works here, why there is nothing followed after this "let message" ?

Posted March 27, 2021 11:27pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
1 Answer
Hanwen Zhang
20,084 Points
Why my code is incoorect? what the [i] inside the console.log. works?

Posted March 27, 2021 11:10pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
2 Answers
Hanwen Zhang
20,084 Points
Why items = ''? why it starts emptyy?

Posted March 27, 2021 11:02pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
2 Answers
Hanwen Zhang
20,084 Points
Do we only name the parameter as "arr"? How do the loop know that "arr" is referred to the array we assigned to ?

Posted March 27, 2021 11:00pm by Hanwen Zhang

Hanwen Zhang
20,084 Points
1 Answer
Marquis Briggs
8,967 Points
This does not make any sense... what does any of this have in common besides they are a shade of red?

Posted March 19, 2021 3:46am by Marquis Briggs

Marquis Briggs
8,967 Points
1 Answer
Chris Dabatos
1,170 Points
Answer Please!

Posted March 13, 2021 2:48am by Chris Dabatos

Chris Dabatos
1,170 Points
1 Answer
Chris Dabatos
1,170 Points
Answer for this?

Posted March 13, 2021 2:40am by Chris Dabatos

Chris Dabatos
1,170 Points
1 Answer
William Polk
9,026 Points
Use the array method that combines all of the elements inside the planets array into a single string. The final string s

Posted March 5, 2021 5:02pm by William Polk

William Polk
9,026 Points
1 Answer
Amy Tomey
12,847 Points
my prompt comes up perfectly, then i get an error... i can't see what I'm missing.

Posted March 4, 2021 5:17pm by Amy Tomey

Amy Tomey
12,847 Points
2 Answers
Clare Yeadon
5,553 Points
Use the method that returns the position of Saturn in the planets array

Posted February 26, 2021 9:57am by Clare Yeadon

Clare Yeadon
5,553 Points
1 Answer
Ulyssa Sneed
8,894 Points
im about to give up smh

Posted February 23, 2021 5:02am by Ulyssa Sneed

Ulyssa Sneed
8,894 Points
1 Answer
Daniela Garcia
5,071 Points
Bummer: Are you using the method that joins array elements and returns a new string?

Posted February 20, 2021 3:33am by Daniela Garcia

Daniela Garcia
5,071 Points
2 Answers
PLUS

Tyson Denis
Front End Web Development Techdegree Graduate 15,805 Points
arr is undefined

Posted February 19, 2021 7:49pm by Tyson Denis

Tyson Denis
Front End Web Development Techdegree Graduate 15,805 Points
1 Answer
Terence Fong
1,499 Points
Console Error for ${message}

Posted February 12, 2021 3:13pm by Terence Fong

Terence Fong
1,499 Points
1 Answer
Eddy Franc
2,768 Points
cant find a solution what is wrong with this challenge answer?

Posted January 29, 2021 2:03am by Eddy Franc

Eddy Franc
2,768 Points
1 Answer
ja5on
10,338 Points
argument

Posted January 17, 2021 8:10pm by ja5on

ja5on
10,338 Points
12 Answers
Muaaz Matwadia
Full Stack JavaScript Techdegree Graduate 19,327 Points
console.log

Posted January 9, 2021 9:34am by Muaaz Matwadia

Muaaz Matwadia
Full Stack JavaScript Techdegree Graduate 19,327 Points
1 Answer
terry okey
3,187 Points
Assigning a "joined" string to a new var?

Posted December 9, 2020 7:48am by terry okey

terry okey
3,187 Points
1 Answer
ja5on
10,338 Points
for loop problem

Posted December 8, 2020 12:03pm by ja5on

ja5on
10,338 Points
1 Answer
Carl Mclamb
Full Stack JavaScript Techdegree Student 3,516 Points
The list won't show

Posted November 2, 2020 2:32am by Carl Mclamb

Carl Mclamb
Full Stack JavaScript Techdegree Student 3,516 Points
1 Answer
Tina Budzáková
6,685 Points
Hello, can somebody help me with this? I have no idea where I have mistake. Thank you.

Posted October 21, 2020 2:30pm by Tina Budzáková

Tina Budzáková
6,685 Points
1 Answer

Prev Page 2 of 3 Next

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