Treehouse | Community | Loop Through an Array

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

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

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

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Rouchen Sun
1,834 Points
Uncaught ReferenceError: createListItems is not defined

Posted December 16, 2023 5:48pm by Rouchen Sun

Rouchen Sun
1,834 Points
1 Answer
Claire Kao
4,393 Points
Declaring variable outside of the function

Posted December 13, 2023 2:45am by Claire Kao

Claire Kao
4,393 Points
1 Answer
Genesis Mukassa
1,728 Points
createListItems is not defined

Posted November 14, 2023 1:58pm by Genesis Mukassa

Genesis Mukassa
1,728 Points
2 Answers
Kristine Zakaite
2,236 Points
"My music playlist" title shows much smaller and not centered.

Posted February 6, 2023 1:24pm by Kristine Zakaite

Kristine Zakaite
2,236 Points
2 Answers
n r
7,665 Points
"items is not defined at createListItems"

Posted February 2, 2023 2:17am by n r

n r
7,665 Points
1 Answer
Peter Huang
5,427 Points
do we need to use function to create a " li " to pass in the array?

Posted November 27, 2022 1:52am by Peter Huang

Peter Huang
5,427 Points
2 Answers
Geovani Mejia
Front End Web Development Techdegree Student 7,940 Points
I am confused why we are using function?

Posted April 6, 2022 10:43pm by Geovani Mejia

Geovani Mejia
Front End Web Development Techdegree Student 7,940 Points
2 Answers
cameron williams
1,819 Points
result '' after function. += wont work

Posted February 24, 2022 8:54pm by cameron williams

cameron williams
1,819 Points
1 Answer
Keith Grimes
10,362 Points
List is not stacked, just one long string.

Posted January 8, 2022 11:20pm by Keith Grimes

Keith Grimes
10,362 Points
1 Answer
karan Badhwar
Web Development Techdegree Graduate 18,136 Points
empty String

Posted December 7, 2021 3:44am by karan Badhwar

karan Badhwar
Web Development Techdegree Graduate 18,136 Points
1 Answer
AHARON YOSEF
2,413 Points
My playlist threw an error when I added a song

Posted December 3, 2021 1:30am by AHARON YOSEF

AHARON YOSEF
2,413 Points
1 Answer
Alex Godfrey
9,249 Points
Every other list item is a blank line (I have 12 lines instead of 6)... help!

Posted October 20, 2021 3:23pm by Alex Godfrey

Alex Godfrey
9,249 Points
1 Answer
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
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
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
ja5on
10,339 Points
argument

Posted January 17, 2021 8:10pm by ja5on

ja5on
10,339 Points
12 Answers
ja5on
10,339 Points
for loop problem

Posted December 8, 2020 12:03pm by ja5on

ja5on
10,339 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
Rachael Zordan
1,379 Points
Why was 'arr' used to pass the array to the function when the array name is 'playlist'?

Posted September 24, 2020 10:37pm by Rachael Zordan

Rachael Zordan
1,379 Points
3 Answers
Manoj Gurung
5,318 Points
few question = what is arr ? Should we learn html before learning this.

Posted September 20, 2020 7:47pm by Manoj Gurung

Manoj Gurung
5,318 Points
1 Answer
Gerald Susanteo
Front End Web Development Techdegree Student 7,117 Points
What is the empty strings for?

Posted September 19, 2020 6:12am by Gerald Susanteo

Gerald Susanteo
Front End Web Development Techdegree Student 7,117 Points
1 Answer
Tabish Kazi
5,951 Points
Why do we have to use an empty string while declaring the variable 'items' first?

Posted August 31, 2020 4:40pm by Tabish Kazi

Tabish Kazi
5,951 Points
1 Answer
Jelena Feliciano
Full Stack JavaScript Techdegree Student 12,729 Points
Trying to understand why nothing is showing on the console like the teachers example.

Posted July 16, 2020 3:15pm by Jelena Feliciano

Jelena Feliciano
Full Stack JavaScript Techdegree Student 12,729 Points
2 Answers

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