The autocomplete property of the HTMLTextAreaElement interface indicates whether the value of the control can be automatically completed by the browser. It reflects the <textarea> element's autocomplete attribute.
A string representing the value of the autocomplete attribute ("on", "off", or a <token-list>) or the empty string ("") if unspecified.
const textareaElement = document.getElementById("comment");
console.log(textArea.autocomplete);<textarea>autocomplete attributearia-autocomplete attribute