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12 lines
419 B
TypeScript
12 lines
419 B
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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import { assertEquals, unitTest } from "./test_util.ts";
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// TODO(@kitsonk) remove when we are no longer patching TypeScript to have
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// these types available.
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unitTest(function typeCheckingEsNextArrayString() {
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const a = "abcdef";
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assertEquals(a.at(-1), "f");
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const b = ["a", "b", "c", "d", "e", "f"];
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assertEquals(b.at(-1), "f");
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});
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