HTML | DOM Input Email readOnly Property
Last Updated :
31 Aug, 2022
The DOM Input Email readonly Property is used to set or return whether an Email Field should be read-only or not. It means that a user can not modify or changes an 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.
emailObject.readOnly
- It is used to set the readOnly property.
emailObject.readOnly = true|false
Property Values:
- true: It defines that email field is read only.
- false: It is the default value. It defines that email field is not read only.
Return Value: It returns a boolean value which represent the email field is read only or not.
Example-1: This example illustrates how to return the property.
HTML
<!DOCTYPE html>
<html>
<head>
<title>
HTML DOM Input Email readOnly Property
</title>
</head>
<body STYLE="TEXT-ALIGN:CENTER;">
<h1> GeeksforGeeks</h1>
<h2>DOM Input Email readOnly Property</h2>
E-mail: <input type="email" id="email" name="myGeeks"
readonly> <BR><br>
<button onclick="myGeeks()">
Click Here!
</button>
<p id="GFG" style="font-size:20px;color:green;"></p>
<script>
function myGeeks() {
var em = document.getElementById("email").readOnly;
document.getElementById("GFG").innerHTML = em;
}
</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>
<head>
<title>
HTML DOM Input Email readOnly Property
</title>
</head>
<body STYLE="TEXT-ALIGN:CENTER;">
<h1> GeeksforGeeks</h1>
<h2>DOM Input Email readOnly Property</h2>
E-mail: <input type="email" id="email" name="myGeeks"
readonly> <BR><br>
<button onclick="myGeeks()">
Click Here!
</button>
<p id="GFG" style="font-size:20px;color:green;"></p>
<script>
function myGeeks() {
var em = document.getElementById("email").readOnly =false;
document.getElementById("GFG").innerHTML = em;
}
</script>
</body>
</html>
|
Output:
Before clicking on the button:
After clicking on the button:
Supported Browsers: The browser supported by DOM input Email readOnly Property are listed below:
- Google Chrome 5
- Edge 12
- Firefox
- Opera 11
- Safari
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