CODEWITHSUNDEEP
javascriptjqueryvalidation
user3808307
user3808307

Reputation: 1471

jQuery validate Uncaught TypeError Cannot read property 'form' of undefined

I am using jquery validate http://jqueryvalidation.org/

I have a form with a first field added manually (hard coded)

Then adding more fields is done programatically. The ARE appended inside the form tags already, into a div #to-append

The one added manually validates fine.

For the rest, I am trying to add the rules like this, every time i add a field:

var $largestID = $("#to-append > div:last > div:first > input:first").attr("id");
console.log($largestID); //throws right id

$($largestID).rules("add", {
        required: true,
        minlength: 3,
        pattern: yt

});

But get the "Uncaught TypeError Cannot read property 'form' of undefined" error stated above.

Any help would be appreciated.

Upvotes: 1

Views: 37959

Answers (2)

Sravan
Sravan

Reputation: 18657

You are adding rule taking ID string. Instead take the element selector, and add rule to that selector.

var $largestID = $("#to-append > div:last > div:first > input:first").attr("id");
console.log($largestID); //throws right id

$('#'+$largestID).each(function () {
    $(this).rules('add', {
       required: true,
       minlength: 3,
       pattern: yt
    });
});

Use the $('#'+$largestID) to get the field of that ID, and then add rules.

To add rules to array, use:

 $('#'+$largestID).each(function () { })

you can even validate the array of names of that element:

 $('#'+$largestID).validate({
    rules: {
      'url[]': {
        required: true,
      }
    }
});

Upvotes: 4

Barmar
Barmar

Reputation: 782683

There's no need to use the ID. You have a selector that returns the element, add the rule to that directly.

$("#to-append > div:last > div:first > input:first").rules("add", {
    required: true,
    minlength: 3,
    pattern: yt

});

Upvotes: 1

Related Questions