I have a feature spec to test the Javascript behavior of the blur event, sadly Capybara's native DSL doesn't seem to support it yet.

new_event = new old_event.constructor(old_event.type, old_event)

Many DOM elements can be set up to accept (or "listen" for) these events, and execute code in response to process (or "handle") them. Event-handlers are usually connected (or "attached") to various HTML elements (such as <button>, <div>, <span>, etc.)

The Event interface represents an event which takes place in the DOM.

DOM Events are sent to notify code of interesting things that have taken place.

The Web platform provides several ways to be notified of DOM events.

isTrusted is not part of React, it's a native browser event property. You cannot programmatically create an event and have isTrusted be true.

This article demonstrates how to create and dispatch DOM events. Such events are commonly called synthetic events, as opposed to the events fired by the browser itself.

Unlike DOM events, component events don't bubble. If you want to listen to an event on some deeply nested component, the intermediate components must forward