query onclick class code example
Example 1: class onclick jqery
$(document).on('click','.addproduct', function(){
//your code here
});
Example 2: jquery is triggered on every element with class name
$(".yourButtonClass").on('click', function(event){
event.stopPropagation();
event.stopImmediatePropagation();
//(... rest of your JS code)
});