_.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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