Answers for "jquery onclick for class"

class onclick jqery

$(document).on('click','.addproduct', function(){

    //your code here

 });

jquery bind click

$( "#foo" ).bind( "click", function() {
  alert( "User clicked on 'foo.'" );
});

class onclick jqery

$(".addproduct").unbind().click(function(){
   //do something 
});