JSFiddle - React, Tailwind, and code Playground

HTML

<span id="cars">Starting text</span>

JavaScript

var myCars = new Array();
    myCars[0] = "Saab";
    myCars[1] = "Volvo";
    myCars[2] = "BMW";
    
    function changeCars() {
         var randomI = Math.floor(Math.random()*myCars.length);
         var carSpan = $("#cars").html(myCars[randomI]);
    }

    $(document).ready(function(){                                
         setInterval(changeCars, 60000);
     });