javascript - Variable dependent rule in jQuery validation -

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i have problem asynchronously validating login in html form using jquery validation plugin. want send request asking login validity on blur, , validate when recieving response.

this code:

var loginavailability = false;  $().ready(function() {      var gotresponse = false;      $("#form").validate({          onkeyup:false,          rules: {             login: {                 required: true,                 loginavailable: gotresponse             }         },          messages: {             login: {                 required: "please enter login.",                 loginavailable: "this login in use."             }         }     });      $("#login").blur(function() {         if($('#login').val()) {             var value = $('#login').val();             $.ajax({                 type: "get",                 url: "my server adress"+value,                 data: "",                 success:function(data){                     gotresponse = true;                     loginavailability = data[value] === false;                     $("#form").validate().element("#login");                 }             });         }     }); });  $.validator.addmethod( "loginavailable", function( value, element ) {     return loginavailability; });

the response server in json format looking this:

{"chosenlogin": false}

where false free login, , true taken.

i've tested putting console.info() lines inside see happening , problem never goes loginavailable method, seems rule never triggered. can make work?

i believe have found answer. simple replacing:

loginavailable: gotresponse

with

loginavailable: {                 depends: function() {                     return gotresponse;                 }             }

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