This example reads both waypoints and tracks from a device and displays them on a Google Map.

Try it out.
DeviceDipsplay JavaScript Configuration:
var display = new Garmin.DeviceDisplay("garminDisplay", {
showReadDataElement: true, //show read/cancel read buttons
showReadGoogleMap: true, //show Google map (need a Google key)
showProgressBar: true, //show progress bar
showReadTracksSelect: true, //show tracks in a select element
showReadWaypointsSelect: true, //show waypoints in a select element
showFindDevicesElement: true, //show find device button
autoFindDevices: true //automatically find connected devices on page load
});