Design Pattern: Module Pattern

javascript

Code

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const anph = (function () {
  //properties
  const a = 'A', 
    n = 'n',
    p = 'p',
    h = 'h';
  //method
  getA = ()=> a;
  getN = ()=> n;
  getP = ()=> p;
  getH = ()=> h;
  getAnph = () => getA() + n + p + h;
  //what to public
  return { getAnph, getP }

})();

console.log(a);//a is not defined

console.log(anph.getA()); // anph.getA is not a function

console.log(anph.getAnph());//Anph

Demo

Module Pattern