JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "container" style = "width: 900px; height: 300px"></div>

JavaScript

var table = document.getElementById("container");

var el_s = document.createElement('select');
      for(var i=1;i<32;i++)
      {
         var j = i;
          j = document.createElement('option');
          j.text=i;
          el_s.appendChild(j);
      }
table.appendChild(el_s);
el_s.onchange = function() {
    alert("jey");
}