【text_input】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.8.3.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$('input').each(function () {
$(this).val('');
});
});
</script>
</head>
<body>
<input type="text" value="text" />
<input type="text" value="text" />
<input type="text" value="text" />
</body>
</html>
