var person = {"name":"bill","age":21,"sex":undefined,"height":"crap"};
//remove undefined properties or other crap
var cleanPerson = _.pickBy(person, function(value, key) {
return !(value === undefined || value === "crap");
});
//cleanPerson is now { "name": "bill","age": 21}_.omitBy({ a: null, b: 1, c: undefined, d: false }, _.isNil)const person = { 'name':'bill', 'age':21, 'sex':undefined, 'height':null, 'hasPet':false };
//only keep truthy values
const cleanPerson = _.pickBy(person, _.identity);
//cleanPerson is now { "name":"bill", "age":21 }const person = { "name":"bill", "age":21, "sex":undefined, "height":null, "hidden":false };
//remove falsy values
const cleanPerson = _.pickBy(person);
//cleanPerson is now { "name":"bill", "age":21 }