JSFiddle - React, Tailwind, and code Playground

JavaScript

var count = 1;

  function createBtn(count){
    var button = document.createElement("button");
    button.innerHTML = "Button " + count;
    var body = document.getElementsByTagName("body")[0];
    body.appendChild(button);
    button.addEventListener ("click", function() {
      alert("Button " + count);
    });
  }
  
  function buttonRender(){
    for(var i = 0; i < 10; i++){
      createBtn(count);
      count++;
    }
  }
  
  buttonRender();