How do I implement onchange of <input type=“text”> with jQuery?

Question

has this API. What about ?

Answer 1

$(".firstName").on('change keyup paste', function () {
   var element = $(this);
   console.log(element);
   var dataAttribute = $(element).attr("data-someattr");
   console.log("someattr: " + dataAttribute );
});

I recommend use this keyword in order to get access to the entire element so your are able do everything you need with this element.