[JS] check isEmpty

const obj = {};
const arr = [];
function isEmpty(param) {
  return Object.keys(param).length === 0;
}
console.log(isEmpty(obj)); // true
console.log(isEmpty(arr)); // true



const obj = {};
const arr = [];
function isEmptyObject(param) {
  return Object.keys(param).length === 0 && param.constructor === Object;
}
console.log(isEmptyObject(obj)); // true
console.log(isEmptyObject(arr)); // false

https://swtpumpkin.github.io/javascript/checkEmptyObject/

javascript 빈 객체 체크 (check empty object)