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JavaScript JavaScript Arrays Loop Through Arrays Loop Through an Array

n r
n r
7,510 Points

"items is not defined at createListItems"

This is my code: function createListItems(arr) { let items = ''; for ( let i = 0; i < arr.length; i++) { items += <li>${ arr[i] }</li>; } return items; }

I've looked over it multiple times, re-written it, copied it from the video and it's still telling me that items is undefined in the console when I try to call playlist. I hope it's not just a simple syntax error that I am overlooking.

1 Answer

Bella Bradbury
.a{fill-rule:evenodd;}techdegree seal-36
Bella Bradbury
Front End Web Development Techdegree Graduate 32,790 Points


The bad news, it is just a little syntax error. The good news, it's very easy to fix and the rest of your code looks great!

Your code above doesn't have the template literal (aka <li>${ arr[i] }</li>) surrounded by backticks. Backticks (`) are usually sharing the key with the tilde (~) in the top left of the keyboard. Your complete code should look like this:

function createListItems(arr) { 
  let items = ''; 
  for ( let i = 0; i < arr.length; i++) { 
    // backticks(`) marked in code below with asterisks(*)
   //        *                    *
    items += `<li>${ arr[i] }</li>`; 
  return items; 

Hope this helps!