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 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.
<!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 to access input element with type email attribute --> <script> function myGeeks() { <!--returning the readonly Property --> 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.
<!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 to access input element with type email attribute --> <script> function myGeeks() { <!--returning the readonly Property --> 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
- Internet Explorer
- Firefox
- Opera
- Safari
