JSFiddle - React, Tailwind, and code Playground

by CME64

HTML

<div id="googleMap" style="width:500px;height:380px;"></div>
 <button id="requestDataBtn">Get Data</button><br /> 
 <div id='output'></div>

JavaScript

$(document).ready(function(){
    i=0; 
        var data= [1,2,3,4,5]
        var marker = new Array();
        marker[0]=9;
        $('#output').html('this works '+marker[0]);
        for (index in data) {
             $('#output').html(' this does not '+marker[0]);
        }
});