DATEDEFAULT VALUE PICKER WITH
Run 
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HTML</title>
</head>
<body>
    <h2> Date picker </h2>
	<label for="start">select date of birth:</label>
    <input type="date" id="DOB" name="DOB" min="1979-01-01" max="2002-12-31" value="2018-04-03">
</body>
</html>