Dynamic form display?

Question

Yii

How to display different form elements depending on the dropDownList value?

Answer 1

something like this:

<?php $this->registerJs("
  $('.someDropdown').on('change',function(){
    var valuha = $('.someDropdown').val();
    if(valuha == 12){
       $('.someEl').removeClass('hidden');
     }else{
       $('.someEl').addClass('hidden');
    }
  });
");
?>