import { type dom } from "https://deno.land/x/commandis@v0.6.5/mod.ts";
const { OnBeforeUnloadEventHandlerNonNull } = dom;
Call Signatures
(event: Event): string | null
import { type dom } from "https://deno.land/x/commandis@v0.6.5/mod.ts";
const { OnBeforeUnloadEventHandlerNonNull } = dom;