[JavaScript] Date 포맷

<script>

var today = new Date();

var year = today.getFullYear().toString();

var month = (today.getMonth()+1).toString();

var day = today.getDate().toString();

var mmChars = month.split('');

var ddChars = day.split('');

var datestring = year + '-' + (mmChars[1]?month:"0"+mmChars[0]) + '-'

+ (ddChars[1]?day:"0"+ddChars[0]);

</script>