JSFiddle - React, Tailwind, and code Playground

HTML

<button>btn</button>

JavaScript

window.one = function(){
  alert('one called');
}
window.two = function() {
  alert('two called');
}
window.three = function() {
  alert('three called');
}
    
jQuery("button").on("click", function() {
    var funcName = window.prompt("What function to fire?","");
    window[funcName]();
});