empty item delete object code example

Example 1: javascript remove empty object items

var test = {
  test1: null,
  test2: 'somestring',
  test3: 3,
}

function clean(obj) {
  for (var propName in obj) {
    if (obj[propName] === null || obj[propName] === undefined) {
      delete obj[propName];
    }
  }
  return obj
}

console.log(test);
console.log(clean(test));

Example 2: es6 remove empty property from object

Object.entries(obj).reduce((a,[k,v]) => (v == null ? a : (a[k]=v, a)), {})