Get the value of the pattern attribute of a password field:
var x = document.getElementById("myPsw").pattern;
Click the button to display the value of the pattern attribute of the email field.
<!DOCTYPE html> <html> <body> <p>A form with a password field that must contain 6 or more characters:</p> <form action="/action_page.php"> Password: <input type="password" id="myPsw" name="pw" pattern=".{6,}" title="Six or more characters"> <input type="submit"> </form>// ww w .j a va 2s . c o m <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myPsw").pattern; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
The pattern property sets or gets the value of the pattern attribute of a password field.
The pattern attribute sets a regular expression to validate the password field's value.
The pattern property accepts and returns a regular expression,