<!DOCTYPE html>
<html>
<body>
<p>A form with a password field that must contain 6 or more characters:</p>
<form action="demo_form.asp">
Password: <input type="password" id="myPsw" name="pw" pattern=".{6,}" title="Six or more characters">
<input type="submit">
</form>
<p>Click the "Try it" button to display the value of the pattern attribute of the email field.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myPsw").pattern;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>