I’d like a problem that for once hasn’t already been solved by someone else.

I had a set of markers which needed to be all on screen, and for some reason there’s no .zoomToShow method. Fortunately it’s pretty simple to create yourself.

//  Make an array of the LatLng's of the markers you want to show
var LatLngList = array (new google.maps.LatLng (52.537,-2.061), new google.maps.LatLng (52.564,-2.017));
//  Create a new viewpoint bound
var bounds = new google.maps.LatLngBounds ();
//  Go through each...
for (var i = 0, LtLgLen = LatLngList.length; i < LtLgLen; i++) {
  //  And increase the bounds to take this point
  bounds.extend (LatLngList[i]);
}
//  Fit these bounds to the map
map.fitBounds (bounds);

And that’s pretty much it. Then, of course, I found that someone had already done this before, but for version two of the API.