benchmark: add eventtarget creation bench

PR-URL: #47774
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

Author: RafaelGSS

benchmark/events/eventtarget-creation.js

@@ -0,0 +1,23 @@
+'use strict';
+
+constcommon=require('../common.js');
+constassert=require('node:assert');
+
+constbench=common.createBenchmark(main,{
+n: [1e6],
+},{flags: ['--expose-internals']});
+
+functionmain({ n }){
+const{ EventTarget }=require('internal/event_target');
+
+lettarget;
+
+bench.start();
+for(leti=0;i<n;i++){
+target=newEventTarget();
+}
+bench.end(n);
+
+// Avoid V8 deadcode (elimination)
+assert.ok(target);
+}