Modifing jQuery validation message

Question

How can I change the jQuery validation message based on logic used when validating? My attempt is shown below, however,

this.extra

shows up as being undefined.

$.validator.addMethod("someMethod", function(value, element, params) {

    //Logic to validate and determine message goes here...

    var valid=false;

    this.extra="bla";

    return valid;

    }, $.validator.format("message plus "+this.extra)

);

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Answer 1

Yes you can do that, but it's bit tricky. You need to set attribute or use .data to associate your information with element.

$.validator.addMethod("someMethod", function(value, element, params) {
    //Logic to validate and determine message goes here...
    var valid=false;
    $(element).data('extra', "bla");
    return valid;
    }, function(params, element) {
      return $.validator.format("message plus " + $(element).data('extra'))
    }
);

Modifing jQuery validation message

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