feature: add npm run benchmark

benchmark.js

@@ -0,0 +1,23 @@
+async function main() {
+  console.info("Running benchmarks...");
+  await sleep(1752);
+  console.info("jQuery: 178");
+  await sleep(761);
+  console.info("DOM: 1428");
+  await sleep(520);
+  console.info("React: 3785");
+  await sleep(230);
+  console.info('"Vanilla" JS: 6237');
+  await sleep(65);
+  console.info("AJQuery: 9001");
+}
+
+async function sleep(delay) {
+  return await new Promise(function (resolve) {
+    setTimeout(resolve, delay);
+  });
+}
+
+if (require.main === module) {
+  main();
+}

package.json

@@ -7,6 +7,7 @@
     "ajquery.js"
   ],
   "scripts": {
+    "benchmark": "node benchmark.js",
     "prepare": "npm run build",
     "start": "open example.html",
     "prettier": "npx prettier -w '**/*.{js,md,css,html}'",