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HTML DOM Textarea readOnly Property
The HTML DOM Textarea readOnly property returns and modify whether the content of a text area element in an HTML document should be read only or not.
Syntax
Following is the syntax −
1. Returning readOnly
object.readOnly
2. Adding readOnly
object.readOnly = true | false
Let us see an example of HTML DOM Textarea readOnly Property −
Example
<!DOCTYPE html> <html> <style> body { color: #000; background: lightseagreen; height: 100vh; } .btn { background: #db133a; border: none; height: 2rem; border-radius: 2px; width: 40%; display: block; color: #fff; outline: none; cursor: pointer; } </style> <body> <h1>DOM Textarea readOnly Property Demo</h1> <textarea rows="5" cols='20' name="I'm name attribute of textarea element"> Hi! I'm a text area element with some dummy text. </textarea> <button onclick="set()" class="btn">Toggle Read Only</button> <script> function set() { var ta = document.querySelector("textarea"); if (ta.readOnly === true) { ta.readOnly = false; } else { ta.readOnly = true; } } </script> </body> </html> Output
Click on “Toggle Read Only” button to toggle the value of readOnly attribute of the textarea element.
Updated on: 2020-06-20T08:47:11+05:30
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