JS: Tanggal Hari Ini dan Kemarin

HARI INI MM/DD/YYY:
<script>
var today = new Date();
var dd = today.getDate();
var mm = today.getMonth()+1;
var yyyy = today.getFullYear();
if(dd<10){dd='0'+dd}
if(mm<10){mm='0'+mm}
var today = mm+'/'+dd+'/'+yyyy;

document.write(today);
</script>

KEMARIN MM/DD/YYYY:
<script>
var yesterday = new Date();
yesterday.setDate(yesterday.getDate() - 1);
var dd = yesterday.getDate();
var mm = yesterday.getMonth()+1;
var yyyy = yesterday.getFullYear();
if(dd<10){dd='0'+dd}
if(mm<10){mm='0'+mm}
yesterday = mm+'/'+dd+'/'+yyyy;

document.write(yesterday);
</script>