Stand In Line challenge: Here's my code: But system won't allow me to proceed I don't know why?

Challenge Stand in Line has an issue. User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36. Please describe how to reproduce this issue, and include links to screenshots if possible.

My code:

function nextInLine(arr, item) {
  // Your code here

  testArr.push(item);
  return testArr.shift();  // Change this line
}

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

// Display Code
console.log("Before: " + JSON.stringify(testArr));
console.log(nextInLine(testArr, 5)); // Modify this line to test
console.log("After: " + JSON.stringify(testArr));

[erictleung]

@ahmedghandour thanks for the issue but if you get stuck or have questions with a challenge in the future, please first ask questions to the Help Room. Hint: please review your knowledge of function scope. You can only use variables that are scoped by your function. Happy coding!

[ghandourelagati]

Thanks a lot erictleung, you’ve been of great help. Thanks again. I passed the challenge.