Basic JavaScript - Stand in Line

The code is not running can anyone telle what’s wrong

function nextInLine(arr, item) {
  // Only change code below this line
  return item;
  // Only change code above this line
// Setup
let 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));

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Challenge: Basic JavaScript - Stand in Line

Link to the challenge:

The color on Arr here looks funny. Something is probably wrong here. Arr and arr are different

You should see an error message in the console giving you a hint.

You have a typo, JaveScript is case sensetive language,
that means Arr is not the same as arr

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