Get object keys for filtered values

Question

The case is simple - I\'ve got a following object:

Object {1: false, 2: true, 3: false, 4: false, 5: false, 6: false, 7: false, 8: true, 12: false, 13: false, 14         


        

Answer 1

I use this one: Retrieve all keys with the same value from an object (not only an object with just boolean values) using lodash

function allKeys(obj, value) {
  _.keys(_.pick(obj, function (v, k) { return v === value; }));
}

Example:

var o = {a: 3, b: 5, c: 3};
var desiredKeys = allKeys(o, 3);
// => [a, c]