The DOM Input Password readOnly Property is used to set or return whether a Password Field should be read-only or not. It means that a user can not modify or changes the content already present in a particular Element (However, a user can tab to it, highlight it, and copy the text from it) whereas a JavaScript can be used to change the read-only value and make the input field editable.
Syntax:
- It is used to return the readOnly property.
passwordObject.readOnly
- It is used to Set the readOnly property.
passwordObject.readOnly = true|false
Property Values:
- true: It defines that password field is read only.
- false: It is a default value. It defines that password field is not read only.
Return Value: It returns a boolean value which represent the password field is read only or not.
Example-1: This example illustrates how to return the property.
<!DOCTYPE html> <html>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>DOM Input Password readOnly Property</h2>
<form id="myGeeks">
Password: <input type="password"
id="myPsw"
readonly>
</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").readOnly
document.getElementById(
"demo").innerHTML = x;
}
</script>
</body>
</html>
|
Output:
Before clicking on the button:
After clicking on the button:
Example-2: This example illustrates how to set the property.
<!DOCTYPE html> <html>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>DOM Input Password readOnly Property</h2>
<form id="myGeeks">
Password: <input type="password"
id="myPsw"
readonly>
</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").readOnly = false;
document.getElementById(
"demo").innerHTML = x;
}
</script>
</body>
</html>
|
Output:
Before clicking on the button:
After clicking on the button:
Supported Browsers: The browser supported by DOM input Password readOnly Property are listed below:
- Google Chrome 1+
- Edge 12+
- Firefox 1+
- Opera 2+
- Safari 1+