4.17.11
3.10.1
2.4.2
1.3.1
_.invertBy(object, [iteratee=_.identity])
This method is like _.invert
except that the inverted object is generated
from the results of running each element of object
thru iteratee
. The
corresponding inverted value of each inverted key is an array of keys
responsible for generating the inverted value. The iteratee is invoked
with one argument: (value).
Since
4.1.0
Arguments
argument
object
[iteratee=_.identity]
type
Object
Function
description
The object to invert.
The iteratee invoked per element.
Returns
(array)
Example
var object = { a: 1, b: 2, c: 1 };
_.invertBy(object);
// => { '1': ['a', 'c'], '2': ['b'] }
_.invertBy(object, function (value) {
return "group" + value;
});
// => { 'group1': ['a', 'c'], 'group2': ['b'] }
var object = { a: 1, b: 2, c: 1 };
_.invertBy(object);
// => { '1': ['a', 'c'], '2': ['b'] }
_.invertBy(object, function (value) {
return "group" + value;
});
// => { 'group1': ['a', 'c'], 'group2': ['b'] }