Answers for "html date inputs"

html date

<label for="meeting">Next meeting (August 2021):</label>
<input type="date" 
       id="meeting" 
       name="meeting"
       min="2021-08-01" 
       max="2021-08-31"
       defaultValue="2021-08-01">

html form date

<label for="birthday">Birthday:</label>
<input type="date" id="birthday" name="birthday">

javascript date to html date input

// convert Javascript Date to HTML Input
var now = new Date();
var day = ("0" + now.getDate()).slice(-2);
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var hour = ("0" + (now.getHours())).slice(-2);
var min = ("0" + (now.getMinutes())).slice(-2);
var today = now.getFullYear() + "-" + month + "-" + day + "T" + hour + ":" + min;