JSFiddle - React, Tailwind, and code Playground

JavaScript

$(document).ready(function(){
var bgColor = ["#FF0000", "#FF00A6", "#FF00FF"];
var i = 0;
var bgRotate = setInterval(function(){    
    $('body').css({'backgroundColor' : bgColor[[i]]});
    if(i < bgColor.length)
        i++;
    else
        i = 0;
}, 1000);   

});