_.indexOf(array, value, [fromIndex=0])
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
-
array
(Array): The array to inspect. -
value
(*): The value to search for. -
[fromIndex=0]
(number): The index to search from.
Returns
(number): Returns the index of the matched value, else -1
.
Example
_.indexOf([1, 2, 1, 2], 2); // => 1 // Search from the `fromIndex`. _.indexOf([1, 2, 1, 2], 2, 2); // => 3
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