(TMarker.SetOnClickListener Method)
Registers an event handler for mouse-click event. The argument-OnClick is a function which would be called when the marker is clicked with the mouse. You should implement the function OnClick.
public SetOnClickListener(OnClick):Void
<div id="mapContainer"  style="width: 640px; height: 400px;"></div>
<script type="text/javascript">
    var map0 = new TMap(mapContainer, 25.7590256665386, -80.3738769902151, 15, mapLoaded, 1, true, "", "hybrid");
   
    function mapLoaded() {
        var layer0=map0.AddLayer()
        var marker0=layer0.AddMarker(25.759025666538, -80.3708769902151, "Text Marker0");
        marker0.SetOnClickListener(onClick_marker0);
        
    function onClick_marker0() {
    marker0.ShowInfoWindow("width=240;height=100", "Normal Terrafly Marker", "Hello, This is a Text Marker.");
    }
</script>