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
5.5.1
Example
indexOf([1, 2, 1, 2], 2) // => 1
// Search from the `fromIndex`. indexOf([1, 2, 1, 2], 2, 2) // => 3
Gets the index at which the first occurrence of
valueis found inarrayusingSameValueZerofor equality comparisons. IffromIndexis negative, it's used as the offset from the end ofarray.Since
5.5.1
Example