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<!DOCTYPE html> <html> <body> Address:<br> <textarea id="myTextarea"> 342 Alvin Road Ducksburg</textarea> <br> <button onclick="disableTxt()">Disable text area</button> <button onclick="undisableTxt()">Undisable text area</button> <script> function disableTxt() { document.getElementById("myTextarea").disabled = true; } function undisableTxt() { document.getElementById("myTextarea").disabled = false; } </script> </body> </html>