It is a Boolean attribute which is used to specify that the text written in input or text area Element is read-only. 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.
Elements: This attribute is used with two elements which are listed below:
<input>: It is used to readonly attribute to read the content only.
Syntax:
<input readonly>
Example:
<!DOCTYPE html> <html> <head> <title>readonly attribute</title> <style> body { text-align:center } h1, h2 { color:green; font-style:italic; } </style> </head> <body> <h1>GeeksForGeeks</h1> <h2>readonly attribute in Input Element</h2> <form action=""> Email: <input type="text" name="email"><br> Country: <input type="text" name="country" value="Noida" readonly><br> <input type="submit" value="Submit"> </form> </body> </html> |
Output:
<textarea>: It is used to hold the readonly attribute.
Syntax:
<textarea readonly>
Example:
<!DOCTYPE html> <html> <head> <title>readonly attribute</title> <style> body { text-align:center; } h1, h2 { color:green; font-style:italic; } </style> </head> <body> <h1>GeeksForGeeks</h1> <h2>readonly attribute in input Element</h2> <textarea rows="4" cols="40" readonly>GeeksForGeeks is a good website for learning computer science. It is a computer science portal for geeks. </textarea> </body> </html> |
Output:
Supported Browsers: The browser supported by readonly attribute are listed below:
- Apple Safari 1+
- Google Chrome 1+
- Firefox 1+
- Opera 1+
- Internet Explorer 6+
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