select 여러개 하나 선택시 다른 것 옵션 선택 취소
$("#roomtime1").change(function(){
console.log('1c');
$("input[name=type]").val('1');
$("#roomtime2 > option:selected").prop("selected", false);
$("#roomtime3 > option:selected").prop("selected", false);
});
$("#roomtime2").change(function(){
console.log('2c');
$("input[name=type]").val('2');
$("#roomtime1 > option:selected").prop("selected", false);
$("#roomtime3 > option:selected").prop("selected", false);
});
$("#roomtime3").change(function(){
console.log('3c');
$("input[name=type]").val('3');
$("#roomtime1 > option:selected").prop("selected", false);
$("#roomtime2 > option:selected").prop("selected", false);
});