Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery Set Textarea Value</title> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script> $(document).ready(function(){ var textContent = "The quick brown fox jumps over the lazy dog."; $("button").click(function(){ $("#myTextarea").val(textContent); }); }); </script> </head> <body> <textarea id="myTextarea" rows="3" cols="50"></textarea> <br> <button type="button">Set Textarea Value</button> </body> </html>