JSFiddle - React, Tailwind, and code Playground

HTML

<button id="buttonOne" onclick="onPress()">Press</button>

JavaScript

var pressOne = function() {
  document.getElementById("buttonOne").setAttribute("onclick","pressTwo()");
  alert("Press1");
}
  
var pressTwo = function() {
  alert("Press2");
}

var isFirstClick = true;
function onPress() {
  if(isFirstClick) {
    isFirstClick = false;
    pressOne();
  } else {
    pressTwo()
  }
}