30 lines
733 B
JavaScript
30 lines
733 B
JavaScript
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import assert from "node:assert/strict";
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import { runBenchmark } from "./utilities.js";
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for (const size of [1e1, 1e2, 1e3, 1e4, 1e5]) {
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const strings = Array.from({ length: size }, () => "_");
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const expected = strings.join("");
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await runBenchmark(
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{
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name: `String concatentation (${size} strings)`,
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assert: (result) => assert.equal(result, expected),
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},
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{
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"Array#join()"() {
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const result = [];
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for (const string of strings) {
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result.push(string);
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}
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return result.join("");
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},
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"string +="() {
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let result = "";
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for (const string of strings) {
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result += string;
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}
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return result;
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},
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},
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);
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}
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