JSFiddle - React, Tailwind, and code Playground

JavaScript

function getNumber(){
    return (getNumber.number = Math.floor(Math.random() * (4 + 1))) === getNumber.lastNumber ? getNumber() : getNumber.lastNumber = getNumber.number;
}

console.log(getNumber());
console.log(getNumber());
console.log(getNumber());
console.log(getNumber());