Pavle

Marinkovic

for-loop.js
export var Foo = (function () {
  "use strict";
  var instance;
  function Singleton() {
    if (instance) return instance;
    instance = this;
  }
  Singleton.getInstance = function () {
    return instance || new Singleton();
  };
  return Singleton;
})();

🥉

fill-map.js
export class MyClass {
  constructor() {
    if (MyClass._instance) {
      return MyClass._instance;
    }
    MyClass._instance = this;
  }
}

🥈

Medior 🤵‍♂️

keys.js
class Singleton {
  // Class implementation
}

export const SingletonInstance = new Singleton();

🥇

Senior 🧙‍♂️

Junior 👶

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Singleton Pattern

Junior 👶 vs Medior 🤵‍♂️ vs Senior 🧙‍♂️

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