Question

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Google Maps JS API v3 – Simple Multiple Marker Example

On my project, you can create markers on the map, and then open a infowindow to put some infos and save then on a database, but when you create a marker, and then another marker, if you click on the first marker it open the infowindow of the second marker.

What can be wrong ? This is my code:
(This is a simplified code, for full code access here)

var marker;
var infoWindow;
function goma()
{
  google.maps.event.addDomListener(teste, 'click', function() 
   {
     doMark = true;     
     doMark2 = false;           
    });
    markNow()

    function markNow(){   

//Marker1
google.maps.event.addListener(map, "click", function(event) 
{

    if (doMark == true && doMark2 == false){


    marker = new google.maps.Marker({
                 position: event.latLng, 
                 map: map, icon: 'Imagens/Oficina.png',
                 shadow: 'Imagens/Oficinasombra.png',
                 draggable : true,
                 animation: google.maps.Animation.DROP});
    google.maps.event.addListener(marker,'click',showWindow);

    doMark = false;
    }

    //Marker2
    else if (doMark2 == true && doMark == false){

   marker = new google.maps.Marker({
                 position: event.latLng, 
                 map: map, icon: 'Imagens/Lojas.png',
                 shadow: 'Imagens/Oficinasombra.png',
                 draggable : true,
                 animation: google.maps.Animation.DROP});
    google.maps.event.addListener(marker,'click',showWindow);


    doMark2 = false;
    }
}
);
var html = "<table>" +
   "<tr><td>Nome:</td> <td><input type='text' id='name'/> </td> </tr>" +
   "<tr><td>Endereco:</td> <td><input type='text' id='address'/></td> </tr>" +
   "<tr><td>Tipo:</td> <td><select id='type'>" +
   "<option value='oficina' SELECTED>oficina</option>" +
   "<option value='restaurante'>restaurante</option>" +
   "</select> </td></tr>" +
   "<tr><td></td><td><input type='button' value='Salvar' onclick='saveData()'/>     </td></tr>";

}

function showWindow(event) 
{
infoWindow.setContent(html); 
infoWindow.open(map,marker); 
} 

Answer 1

Actually a separate listener should be attached to each marker in your function markNow( )-

 marker = new google.maps.Marker({
                     position: event.latLng, 
                     map: map, icon: 'Imagens/Oficina.png',
                     shadow: 'Imagens/Oficinasombra.png',
                     draggable : true,
                     animation: google.maps.Animation.DROP});
google.maps.event.addListener(marker,'click',showWindow);

And then-

function showWindow(event) 
{
infoWindow.setContent(html); 
infoWindow.open(map,marker); 
}