addEventListener('click', (event) => {});

​

onclick = (event) => { };

const element = document.querySelector(".class__name");

​

element.addEventListener("click", () => {

    console.log("clicked element");

});

//html

<button>My Button</button>

​

document.querySelector("button").addEventListener('click', handlClick);

​

function handlClick() {

    alert("I got clicked!")

}

element.addEventListener("click", function(){ 

   element.innerText = "something"; 

}); 

document.querySelector('div').addEventListener('click', () => {

  console.log('div clicked');

});

document.querySelector("button").addEventListener("click", handle);

​

function handle() {

  alert("I got clicked")

}

function first(){

    alert( " hi it's Toofi");

}

​

task3Element.addEventListener('click', first);

    element .addEventListener( event, function, useCapture );

// src/EventListener/ExceptionListener.php

namespace App\EventListener;

​

use Symfony\Component\HttpFoundation\Response;

use Symfony\Component\HttpKernel\Event\ExceptionEvent;

use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;

​

class ExceptionListener

{

    public function onKernelException(ExceptionEvent $event)

    {

        // You get the exception object from the received event

        $exception = $event->getThrowable();

        $message = sprintf(

            'My Error says: %s with code: %s',

            $exception->getMessage(),

            $exception->getCode()

        );

​

        // Customize your response object to display the exception details

        $response = new Response();

        $response->setContent($message);

​

        // HttpExceptionInterface is a special type of exception that

        // holds status code and header details

        if ($exception instanceof HttpExceptionInterface) {

            $response->setStatusCode($exception->getStatusCode());

            $response->headers->replace($exception->getHeaders());

        } else {

            $response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR);

        }

​

        // sends the modified response object to the event

        $event->setResponse($response);

    }

}