BetterMap | /mod.ts | bettermap@v1.3.0

An extension of the Map class with more Array-like features.

Latest

method BetterMap.prototype.keyAt

import { BetterMap } from "https://deno.land/x/bettermap@v1.3.0/mod.ts";

keyAt(pos: number): K | undefined

Return the nth key of the map.

const map = new BetterMap<string, number>("People");
map.set("Doraemon", 10);
map.set("Dora", 28);
console.log(map.keyAt(-1)); // Dora

Parameters

pos: number

Position to get data.

K | undefined

Key at specified index.