JSFiddle - React, Tailwind, and code Playground

JavaScript

function MyPlugin() {
  this.hello = 'hello'
  document.addEventListener('click', this.clicked);
}

MyPlugin.prototype.clicked = function(e) {
  console.log(this.hello);
}

MyPlugin.prototype.someMethod = function() {
  console.log(this.hello + ' someMethod');
};

var plugin1 = new MyPlugin();