jquery.validator.addmethod custom error message

How to implement a custom dynamic error message to your jQuery Validator method?

$.validator.addMethod("checkEmailAvailability",function(value,element){
	var result;
	$.ajax({
        type: "POST",
        async: false,
		url:"includes/ajax/check-availability.php",
		data:{email:value},
		dataType:"json",
        success: function(response) {
			result=response.success;
			$.validator.messages.checkEmailAvailability=response.msg;
         }
     });
	 return result;
});

In the above code the message for the validator method is set by using

$.validator.messages.checkEmailAvailability=response.msg;

where the response.msg is the message we receive from the server.

This is a good and simple JavaScript snippet for the jQuery Validator plugin on how to add a jquery.validator.addmethod custom error message.

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