# Event

A member that lets an object notify subscribed code that something happened.

## What is **Event** in JavaScript?

**Event** — A member that lets an object notify subscribed code that something happened.

```javascript
button.addEventListener("click", event => {
    const clickedButton = event.target;
});
```

Level: Journeyman · [More JavaScript terms at this level](https://www.ask-codey.com/glossary/subjects/javascript/journeyman)

Updated: September 27, 2026

## In other subjects

- [Event in C#](https://www.ask-codey.com/glossary/event)

Source: https://www.ask-codey.com/glossary/event-javascript-2