JSFiddle - React, Tailwind, and code Playground

by ZeNz0r

JavaScript

function nextInLine(a, i) {
  const p = a.push(i)
  const s = a.shift(i)
  
  return s
}

const testArr = [1, 2, 3, 4, 5]

console.log("Before: " + JSON.stringify(testArr))

console.log(nextInLine(testArr, 6))

console.log("After: " + JSON.stringify(testArr))