_.findLastIndex(array, [predicate=_.identity], [fromIndex=array.length-1])
This method is like _.findIndex
except that it iterates over elements of collection
from right to left.
Since
2.0.0
Arguments
-
array
(Array): The array to inspect. -
[predicate=_.identity]
(Function): The function invoked per iteration. -
[fromIndex=array.length-1]
(number): The index to search from.
Returns
(number): Returns the index of the found element, else -1
.
Example
var users = [ { 'user': 'barney', 'active': true }, { 'user': 'fred', 'active': false }, { 'user': 'pebbles', 'active': false } ]; _.findLastIndex(users, function(o) { return o.user == 'pebbles'; }); // => 2 // The `_.matches` iteratee shorthand. _.findLastIndex(users, { 'user': 'barney', 'active': true }); // => 0 // The `_.matchesProperty` iteratee shorthand. _.findLastIndex(users, ['active', false]); // => 2 // The `_.property` iteratee shorthand. _.findLastIndex(users, 'active'); // => 0
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