Basic JavaScript - Stand in Line

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

function nextInLine(arr, item) {
  // Only change code below this line
  item-= 1
  return item;
  // Only change code above this line

// Setup
const testArr = [1, 2, 3, 4, 5];

// Display code
console.log("Before: " + JSON.stringify(testArr));
console.log(nextInLine(testArr, 6));
console.log("After: " + JSON.stringify(testArr));

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36 Edg/105.0.1343.33

Challenge: Basic JavaScript - Stand in Line

Link to the challenge:

i am not understand what i am suppose to do

hi there, before trying to write code, make sure you understand what are the logic steps for the algorithm. In this case, try to explain to a 5 year old how to do the steps to go from the input to the output

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