indexOf

indexOf<T>(array: Array<T>, toFind: T): Number

Returns the index of the first occurrence of an element within the array. If the value is not found, the function returns -1.

Introduced in DataWeave version 2.2.0.

Name Description

Name	Description
`array`	The array of elements.
`toFind`	The element to find.

array

The array of elements.

toFind

The element to find.

This example returns the index of the matching value from the input array. The index of "Julian" is 2.

%dw 2.0
import * from dw::core::Arrays
output application/json
var users = ["Mariano", "Leandro", "Julian"]
---
indexOf(users, "Julian")DataWeave

2json