oninput 和 onpropertychange 这两个事件在 IE9 中都有个小BUG

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
    $(function () {
        $('input').bind('input propertychange', function() {
            $len = $(this).val().length;
            if ($len == 0) {
                $('span').html('');
            } else if ($len >= 6) {
                $('span').html($(this).val().length).css('color', 'black');
            } else {
                $('span').html($(this).val().length).css('color', 'red');
            }
        })
    })
</script>
</head>
<body>
    <form>
        <input maxlength="12" type="password" placeholder="password">
        <span></span>
    </form>
</body>
</html>

通过右键菜单菜单中的剪切和删除命令删除内容的时候不会触发, 怎么能触发呢?

hhhzihao2

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