JSFiddle - React, Tailwind, and code Playground

HTML

<button id="add">add</button>
<button id="delete">delete</button>
 <div id="question"> text</div>

JavaScript

$("#add,#delete").data("count" , 0);

$("#add").on("click" , function() { 
    var count = parseInt($(this).data("count") , 10);
    count = count + 1;
    $("#add,#delete").data("count" , count);
    $("#question").text(count);
});

$("#delete").on("click" , function() {
    var count = parseInt($(this).data("count") , 10);
    if(count > 0) {
      count = count - 1;
            $("#add,#delete").data("count" , count);
      $("#question").text(count);
    }
});