Please what is wrong with this code: Stand in Line:

Tell us what’s happening:
please what is wrong with this code: arr.push is not a function

Your code so far

function nextInLine(arr, item) {
  // Your code here
   testArr = arr.shift(3);
  return testArr;  // Change this line
// Test Setup
var testArr = [1,2,3,4,5];

// Display Code
console.log("Before: " + JSON.stringify(testArr));
console.log(nextInLine(testArr, 6)); // Modify this line to test
console.log("After: " + JSON.stringify(testArr));

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36.

Link to the challenge:

You are not using the argument item.
Array.shift() does not take a parameter.