What Is an Event in Vue?

In Vue, an "event" is something that happens — a user interaction or another occurrence in the browser. Vue is a JavaScript framework for building user interfaces, focused on building interactive applications from components.

Events can be user interactions (clicking a button, typing into an input) or things that happen inside a Vue component (for example the moment it is created). They are handled through Vue's event system.

Here is a simple example:

<template>
  <div>
    <button @click="buttonClicked">Click me</button>
  </div>
</template>

<script>
export default {
  methods: {
    buttonClicked() {
      console.log('The button was clicked!');
      // Anything else can happen here too.
    },
  },
};
</script>

The @click directive on the <button> adds a listener for the "click" event. When it happens, the buttonClicked method is called and reacts to the click.

Events are used to listen to user interaction, update component state, notify other components and much more — they are what make Vue components interactive and dynamic.