HTML | DOM Input Password maxLength Property
Last Updated :
25 Aug, 2022
The DOM Input Password maxLength Property is used to set or return the value of a maxLength attribute of a password field. It specifies the maximum number of characters that have been allowed in the element.
Syntax:
- It is used to return the maxLength property.
passwordObject.maxLength
- It is used to set the maxLength property.
passwordObject.maxLength = integer
Property Values:
- number: It specifies a maximum number of characters that are allowed in the Password Field.
Return Value: It returns a numeric value which represents the maximum number of characters that have been allowed in the Password field.
Example: This example illustrates how to return the property.
HTML
<!DOCTYPE html>
<html>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>DOM Input Password maxLength Property</h2>
<form id="myGeeks">
Password: <input type="password"
id="myPsw"
maxlength="8">
</form>
<br><br>
<button onclick="myFunction()">
Click Here!
</button>
<p id="demo" style="color:green;font-size:25px;"></p>
<script>
function myFunction() {
var x =
document.getElementById(
"myPsw").maxLength;
document.getElementById(
"demo").innerHTML =
There are only " + x + " maximum characters" +
"allowed in a Password Field.";
}
</script>
</body>
</html>
|
Output:
Before clicking on the button:
After clicking on the button:
Example-2: This Example illustrates how to set the property.
HTML
<!DOCTYPE html>
<html>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>DOM Input Password maxLength Property</h2>
<form id="myGeeks">
Password: <input type="password"
id="myPsw"
maxlength="8">
</form>
<br><br>
<button onclick="myFunction()">
Click Here!
</button>
<p id="demo" style="color:green;font-size:20px;"></p>
<script>
function myFunction() {
var x =
document.getElementById(
"myPsw").maxLength = 6;
document.getElementById(
"demo").innerHTML =
"Maximum number of characters allowed " +
"in password field now " + x;
}
</script>
</body>
</html>
|
Output:
Before clicking on the button:
After clicking on the button:
Supported Browsers: The browser supported by DOM input Password maxLength Property are listed below:
- Google Chrome 1+
- Edge 12+
- Firefox 1+
- Opera 2+
- Safari 1+
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