, . , , . ,
input.value=input.value.split(',')[0];
place_changed → http://jsfiddle.net/9RkM9/
, Google Maps () :

Google , , , , .
.pac-item : "Los":
<div class="pac-item">
<span class="pac-item-query"><span class="pac-matched">Los</span>
Altos</span><span>CA, United States</span>
</div>
CA United States , . , .pac-item node, . , , input keyup. , , :
input.onkeyup = function(e) {
setTimeout(function() {
var places = document.querySelectorAll('.pac-item');
for (var i=0;i<places.length;i++) {
var place = places[i];
var pac_icon = place.querySelector('.pac-icon').outerHTML;
var place_name_reduced = place.querySelector('.pac-item-query').outerHTML;
place.innerHTML = pac_icon + place_name_reduced;
}
}, 150);
}
→ http://jsfiddle.net/8SGvR/