How jquery validate prompts errors

jquery validate prompts an error method: quote [e42227c7768bcba6f5d45ec7d2fea16c2cacc6d41bbb37262a98f745aa00fbf0], The custom method is extended to [$.validator].

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jquery validate prompts error method:

Modify the jquery.validate prompt error method and use a pop-up box to prompt the error message

<script src="@Url.Content("~/Scripts/jquery.validate.js")"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.js")"></script>

$.extend($.validator.defaults, {
            showErrors: function (errorMap, errorList) {
                var msg = "";
                $.each(errorList, function (i, v) {
                    msg += (v.message + "\r\n");
               });
           if (msg != "")
                   alert(msg);
            }
       });

After the modification, it was found that the execution had no effect and the error message would not pop up. The message was still behind the text box. Display

After debugging, it was found that the custom method was not extended to $.validator,

and for the overridden method to work, it must be referenced

dceffec6d9979de87ce02bc14cc11ae92cacc6d41bbb37262a98f745aa00fbf0

It can only be rewritten before.

The complete code is as follows:

<script src="@Url.Content("~/Scripts/jquery.validate.js")"></script>
   
    <script type="text/javascript">
        $.extend($.validator.defaults, {
            showErrors: function (errorMap, errorList) {
                var msg = "";
             $.each(errorList, function (i, v) {
                  msg += (v.message + "\r\n");
            });
            if (msg != "")
                     alert(msg);
          }
       });
   </script>
    <script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.js")"></script>

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