I have created an application for showing an Information Window popup for markers, The application is working fine and the popup is showing correctly but the only solution i
You could manually remove the element title attribute on mouseover.
Try changing
google.maps.event.addListener(marker, 'mouseover', function () {
To
google.maps.event.addListener(marker, 'mouseover', function (e) {
e.ya.target.removeAttribute('title');
Also for Edge, you need to be change it to:
e.ya.target.parentElement.removeAttribute('title')