Javascript Reference - HTML DOM Input Password size Property

The size property sets or gets the size attribute of a password field.

The size attribute specifies the width of a password field in number of characters. The default value is 20.

Browser Support


`size`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the size property.

var v = passwordObject.size

Set the size property.

passwordObject.size=number

Property Values

Value	Description
number	Set the width of the password field in number of characters. Default value is 20

Return Value

A Number type value representing the width of the password field in characters.

Example

The following code shows how to get the width of a password field.


<!DOCTYPE html>
<html>
<body>
<!--from  w w w. j  a v a  2  s. com-->
Password: <input type="password" id="myPsw" size="30">
<button onclick="myFunction()">test</button>
<p id="demo"></p>
<script>
function myFunction() {
    var x = document.getElementById("myPsw").size;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to change the width of a password field.


<!DOCTYPE html>
<html>
<body>
<!-- w  w  w . j  av a2s  .  c  o  m-->
Password: <input type="password" id="myPsw">
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    document.getElementById("myPsw").size = "50";
}
</script>
</body>
</html>

The code above is rendered as follows: