【textarea】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$("textarea").val("abc\n\u202Edef\nghi")
});
</script>
</head>
<body>
<textarea style="width: 80px; height: 120px"></textarea>
</body>
</html>
