Run results for: Demo ứng dụng javascript

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.53 Safari/537.36

Browser: Chrome 71

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
addEventListener	2534.9 Ops/sec
onClick	2431848.2 Ops/sec

HTML Preparation code:

<button>Test Click</button>
<div>Show result: <span id="result"></span>
</div>

Tests:

addEventListener
var button = document.querySelector("button"); button.addEventListener("click", function(){ document.getElementById("result").innerText = "da click"; });
onClick
var button = document.querySelector("button"); button.onclick = function(){ document.getElementById("result").innerText = "da click"; };