The HTML DOM Textarea placeholder property returns and modify the value of placeholder attribute of a text area element in an HTML document.
Syntax
Following is the syntax −
1. Returning placeholder
object.placeholder
2. Adding placeholder
object.placeholder = “text”
Let us see an example of HTML DOM Textarea placeholder 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; } .show { margin: 1rem 0; font-size: 1.5rem; } </style> <body> <h1>DOM Textarea placeholder Property Demo</h1> <textarea placeholder="Hi! I'm placeholder text of a textarea element" rows="8" cols='20'></textarea> <button onclick="set()" class="btn">Show Placeholder</button> <div class="show"></div> <script> function set() { document.querySelector('.show').innerHTML = document.querySelector("textarea").placeholder; } </script> </body> </html>
Output
Click on “Show Placeholder” button to display the value of placeholder attribute.