30분 단위로 24시간 select box 설정

<select name="StartTime" id="StartTime"

class="form-control" style="width: 45%">

<script>

for (var i = 0; i < 49; i++) {

var hour = '';

var min = ':00';

if ((Math.ceil(i / 2)) < 13) {

hour = (Math.floor(i / 2));

} else {

hour = (Math.floor(i / 2));

}

hour = (Math.floor(i / 2));

if (hour < 10) {

hour = '0' + hour;

}

if (i % 2 != 0) {

min = ':30';

}

document

.write('<option value=' + hour + min + '>'

+ hour

+ min

+ '</option>');

}

</script>

</select></td>