get latlong of address in here map api javascript
// Instantiate a map and platform object:
var platform = new H.service.Platform({
'apikey': '{YOUR_API_KEY}'
});
// Get an instance of the geocoding service:
var service = platform.getSearchService();
// Call the geocode method with the geocoding parameters,
// the callback and an error callback function (called if a
// communication error occurs):
service.geocode({
q: '200 S Mathilda Ave, Sunnyvale, CA'
}, (result) => {
// Add a marker for each location found
result.items.forEach((item) => {
map.addObject(new H.map.Marker(item.position));
});
}, alert);