How to limit the zoom in Gmap while changing

Question

Everything is in the title...

I want the zoom of the map limit from 1 to 5 while changing

To generate the map I use

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

Answer 1

You could find it in the Google Map API for the listener "zoom_changed"

google.maps.event.addListener(map, "zoom_changed", function() { 
        var Z=map.getZoom();
        if (Z > 5) {map.setZoom(5);}
        else if (Z < 1) {map.setZoom(1);}
});