<textarea onkeydown="textAreaAdjust(this, 26)" onkeyup="Wo_EditComment(this.value, event)" placeholder="<?php echo $wo['lang']['edit_comment']; ?>" dir="auto" id="edit_comment_<?php echo $wo['comment']['id']?>"><?php echo $wo['comment']['Orginaltext']?></textarea>
<button onclick="Wo_EditComment(document.querySelector('textarea').value, { keyCode: 13 })">save</button>