[Javascript] 논리값 확인하기

console.log('<< 논리값 >>');
console.log('null : ', Boolean(null));
console.log('0 : ', Boolean(0));
console.log('-5 : ', Boolean(-5));
console.log('빈 배열 [] : ', Boolean([]));
console.log('빈 객체 [] : ', Boolean({}));