12345678910111213141516171819202122232425262728
const { JSDOM } = require("jsdom");const fs = require("fs");const { performance } = require("perf_hooks");
const c = fs.readFileSync(__dirname + "/c.html", "utf8");
const runs = parseInt(process.argv[2], 10);
for (let i = 0; i < runs; i++) {  const document = new JSDOM(c).window.document;  const divs = Array.from(    document.querySelectorAll('div[aria-controls^="ot-desc"]'),  );}
let avgAccum = 0;
for (let i = 0; i < runs; i++) {  const now = performance.now();  const document = new JSDOM(c).window.document;  const divs = Array.from(    document.querySelectorAll('div[aria-controls^="ot-desc"]'),  );  avgAccum += performance.now() - now;}
console.log("time:" + (avgAccum / runs) + "ms runs:" + runs);