Change

<input id="autocomplete" />
<script>
$("#autocomplete").kendoAutoComplete({
  change: function(e) {
    var value = this.value();
/* The result can be observed in the DevTools(F12) console of the browser. */
    console.log(value);
    // Use the value of the widget
  }
});
</script>

<input id="autocomplete" />
<script>
function autocomplete_change(e) {
  var value = this.value();
  // Use the value of the widget
}
$("#autocomplete").kendoAutoComplete();
var autocomplete = $("#autocomplete").data("kendoAutoComplete");
autocomplete.bind("change", autocomplete_change);
</script>