HTML | DOM Input Password Object

Last Updated : 25 Aug, 2022

The Input Password Object in HTML DOM is used to represent an HTML input element with type=”password”. The input element with type=”password” can be accessed by using getElementById() method.

Syntax:

It is used to access input type=”password”

document.getElementById("id");

It is used to create type=”password” element.

document.createElement("input");

Object Properties:

Property	Description
type	This property is used to return which type of form element the password field is.
value	This property is used to set or return the value of the value attribute of a password field.
autocomplete	This property is used to set or return the value of the autocomplete attribute of a password field.
autofocus	This property is used to set or return whether a password field should automatically get focus when the page loads.
defaultValue	This property is used to set or return the default value of a password field.
disabled	This property is used to set or return whether a password field is disabled or not.
form	This property is used to return reference to the form that contains the password field.
maxLength	This property is used to set or return the value of the maxlength attribute of a password field.
name	This property is used to set or return the value of the name attribute of a password field.
placeholder	This property is used to set or return the value of the placeholder attribute of a password field.
readOnly	This property is used to set or return whether the password field is read-only or not.
required	This property is used to set or return whether the password field must be filled out before submitting a form.
size	This property is used to set or return the value of the value attribute of the password field.

Input Password Object Methods:

select(): This is used to select the content of a password field.

Example-1:

HTML

<!DOCTYPE html>
<html>
<body style="text-align:center;">
    <h1 style="color:green;">  
        GeeksForGeeks  
    </h1>
    <h2>DOM Input Password Object</h2> Password:
    <input type="password"
           id="myPsw" 
           value="geeks12">
    <p>Click the button to get the password 
      of the password field.</p>
    <button onclick="myFunction()">
      Click Here!
    </button>
    <p id="demo"></p>
    <script>
        function myFunction() {
            var x = 
            document.getElementById(
              "myPsw").value;
           
            document.getElementById(
              "demo").innerHTML = x;
        }
    </script>
</body>
</html>

Output:

Before click on the button:

After click on the button:

Example-2:

HTML

<!DOCTYPE html>
<html>
<body style="text-align:center;">
    <h1 style="color:green;">  
        GeeksForGeeks  
    </h1>
    <h2>DOM Input Password Object</h2>
    <p>Click the button to create a
      Password Field.</p>
    <button onclick="myFunction()">
      Click Here!
    </button>
    <script>
        function myFunction() {
           
            // Creating input element.
            var x = document.createElement("INPUT");
             
            // Set type password.
            x.setAttribute("type", "password");
            x.setAttribute("value", "geeks12");
            document.body.appendChild(x);
        }
    </script>
</body>
</html>