lastIndexOf

Searches a value from right. [:running:] [:vhs:] [:package:] [:moon:] [:ledger:]

Alternatives: [left], [right], [all].

iterable.searchRight(x, v, [fn]);
// x:  an iterable
// v:  search value
// fn: compare function (a, b)
// --> index of value, -1 if not found

const iterable = require('extra-iterable');

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

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

references

• List-Extra.elemIndex: elm
• Array.prototype.indexOf: MDN web docs