Answers for "js remove textarea value"

javascript clear text in textarea

// HTML
<textarea id='output' rows=20 cols=90></textarea>
<input type="button" value="Clear" onclick="javascript:eraseText();"> 

// JS
function eraseText() {
    document.getElementById("output").value = "";
}

onclick remove textarea value

<textarea id='comments' rows='4' cols='4'></textarea>
<input type="button" value="Clear" onclick="javascript:document.getElementById('comments').value='';">