lastIndexOf (original) (raw)

Find last index of a value.

Alternatives: indexOf, lastIndexOf.
Similar: search, indexOf, isValue, includes.

function lastIndexOf(x, v, i) // x: an array // v: search value // i: begin index [|x|-1]

const xarray = require('extra-array');

var x = [1, 2, 3, 2, 5]; xarray.lastIndexOf(x, 2); // → 3 ^

var x = [1, 2, 3, 2, 5]; xarray.lastIndexOf(x, 2, 2); // → 1 ^

References

• List-Extra.elemIndex() : Elm
• Array.indexOf() : MDN Web Docs
• _.lastIndexOf() : Lodash
• Array.lastIndexOf() : Sugar.js