falsy_vs_nullish.js

console.group('Exemplifying the difference between falsy and nullish');

const catWithNoChars = new Cat('');
console.assert(catWithNoChars.name === '');

// '' is falsy but no nullish
if (!catWithNoChars.name) {
  catWithNoChars.name = 'Pepo';
}

console.assert(catWithNoChars.name === ''); // Assertion failed

console.groupEnd();

/*
Console:

Exemplifying the difference between falsy and nullish
  get called 
  get called 
  set called Pepo
  get called Pepo
  Assertion failed  
*/