4.17.11
3.10.1
2.4.2
1.3.1

_.indexOf(array, value, [fromIndex=0])

sourcenpm package

Gets the index at which the first occurrence of value is found in array using SameValueZero for equality comparisons. If fromIndex is negative, it's used as the offset from the end of array.

Since

0.1.0

Arguments

argument
array
value
[fromIndex=0]
type
Array
*
number
description
The array to inspect.
The value to search for.
The index to search from.

Returns

(array)

Example

_.indexOf([1, 2, 1, 2], 2);
// => 1

// Search from the `fromIndex`.
_.indexOf([1, 2, 1, 2], 2, 2);
// => 3

_.indexOf([1, 2, 1, 2], 2);
// => 1

// Search from the `fromIndex`.
_.indexOf([1, 2, 1, 2], 2, 2);
// => 3