Disable Drop Down Option using jQuery

Question

I need to disable options with value \"- Sold Out -\" in a list of dynamic drop down menus. How can I do this easily with jQuery? Below is the HTML

Answer 1

$("select option[value*='Sold Out']").prop('disabled',true);
        ​

Demo

According to edit

$('#previous_select').on('change', function() {
   // after creating the option
   // try following
   $("select option[value*='Sold Out']").prop('disabled',true);
});