JSFiddle - React, Tailwind, and code Playground

by knokit

HTML

<script src="http://maps.google.com/maps/api/js?sensor=false&language=de"></script><div id="map_canvas" style="height:400px"></div>
<b onclick="myclick(0)">Berlin</b>-<b onclick="myclick(1)">Paris</b>-<b onclick="myclick(2)">Rome</b>

CSS

b{padding:6px 2px;cursor:pointer;}

JavaScript

var url = "/echo/json/";
var gmarkers = [];

function initialize() {

var myLatlng = new google.maps.LatLng(0, 0);
var myOptions = {
    zoomControl: true,
    disableDefaultUI: true,
    center: myLatlng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
    };

var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

downloadUrl(url, function(data) {
console.log(data);
var j = eval('(' + data.responseText + ')');

                       
 
var jlength = j.data.cities.length;

var bounds = new google.maps.LatLngBounds();

for(i=0; i < jlength; i++) {

    var x =  parseFloat(j.data.cities[i].lat);
    var y = parseFloat(j.data.cities[i].lon);
    var ids = parseFloat(j.data.cities[i].id);
    
    var z = new google.maps.LatLng(x,y);
    var title = j.data.cities[i].title;
    var contentstring = 'text for '+title

    var marker = createMarker(ids);

    var infowindow = new google.maps.InfoWindow({content: contentstring});

    bounds.extend(z);
    map.fitBounds(bounds);

};

if (map.getZoom() == 21) 
    {
        map.setZoom(16);
    }

if (map.getZoom() < 5) 
    {
        map.setZoom(map.getZoom()+1);
    }

     this.myclick=function(i) {
        google.maps.event.trigger(gmarkers[i], 'click');
    };

    function createMarker(){

        var marker = new google.maps.Marker({
            position: z,  
            map: map,
            title: title,
            html: contentstring,
            icon: 'imagelink'
        });

        google.maps.event.addListener(marker,'click',function(){
        infowindow.setContent(this.html);
        infowindow.open(map,marker);
        }); 

            //google.maps.event.addListener(marker,'click',function(){
            //window.location.href = marker.url;
            //});   

        gmarkers[ids] = marker;

    };


    function createMarker(){

        var marker = new google.maps.Marker({
            position: z,  
            map: map,
            title: title,
            html:...