图片加载失败时,重试加载,如其重试加载不出来则显示默认图片

图片加载失败时,重试加载,如果重试加载不出来则显示默认图片
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src="http://cdn.bootcss.com/jquery/2.1.0-beta3/jquery.min.js"></script>
</head>
<body>
<img id="img"  src="clock60.png"  retry="0" >
<script>
$(function() {
    $('#img').on('error', function() {
        var retry= $('#img').attr("retry");

        if (retry > 0) {
            $('#img').attr('src', 'https://iustudio.science/images/srpr/logo11w.png');
        } else {
            retry++;

            $('#img').attr("retry", retry);
            $('#img').attr('src', $('#img').attr('src'));
        }
    });
})   
</script>
</body>
</html>