datetime-local min today code example
Example 1: html add mindate to datetime-local picker
<form>
<label for="party">Enter a date and time for your party booking:</label>
<input id="party" type="datetime-local" name="partydate" min="2017-06-01T08:30" max="2017-06-30T16:30">
</form>
Example 2: set min date field to current date
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
}
today = yyyy+'-'+mm+'-'+dd;
document.getElementById("datefield").setAttribute("min", today);