Google Maps API v3 adding multiple markers w/ info windows w/ custom text

Question

I am making a website over cyclists killed in Norway. For my project I have been using google maps api v3, but I have vague familiarity with javascript. You can see my resul

Answer 1

In addition to HoangHieu Answer when you use for loop it better to use it this way:

marker.info = new google.maps.InfoWindow({
  content: 'some text'
});

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