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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?key=AIzaSyAW2XFdc_uzmVX4RfNjVaJvdOERDYcihSc&sensor=false&libraries=places&language=en-AU"></script>
<script>
var autocomplete = new google.maps.places.Autocomplete($("#institute_city")[0], {});
google.maps.event.addListener(autocomplete, 'place_changed', function() {
var place = autocomplete.getPlace();
console.log(place.address_components);
});
</script>
看起來你正在運行腳本之前,你的頁面加載 – Bindrid