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const parse5 = require("parse5");const fs = require("fs");const { performance } = require("perf_hooks");
const c = fs.readFileSync(__dirname + "/c.html", "utf8");
const runs = 20;
for (let i=0; i<runs; i++) {  const document = parse5.parse(c);}
let avgAccum = 0;
for (let i=0; i<runs; i++) {  const now = performance.now();  const document = parse5.parse(c);  avgAccum += (performance.now() - now);}
console.log("time:" + (avgAccum / runs) + "ms runs:" + runs);