»index Function

index finds the element index for a given value in a list.

index(list, value)
index(list, value)

The returned index is zero-based. This function produces an error if the given value is not present in the list.


> index(["a", "b", "c"], "b")
> index(["a", "b", "c"], "b")1

»Related Functions

  • element retrieves a particular element from a list given its index.