JSFiddle - React, Tailwind, and code Playground

JavaScript

function rotator(arr) {
    var iterator = function (index) {
        if (index >= arr.length) {
            index = 0;
        }
        console.log(arr[index]);
        setTimeout(function () {
            iterator(++index);
        }, 1500);
    };
    
    iterator(0);
};

rotator(["rotatorA", "rotatorB", "rotatorC"]);