> Control your application's event lifecycle.
+Process: [Main](../tutorial/quick-start.md#main-process)
+
The following example shows how to quit the application when the last window is
closed:
> Perform copy and paste operations on the system clipboard.
+Processes: [Main](../tutorial/quick-start.md#main-process), [Renderer](../tutorial/quick-start.md#renderer-process)
+
The following example shows how to write a string to the clipboard:
```javascript
> Access information about media sources that can be used to capture audio and
> video from the desktop using the [`navigator.webkitGetUserMedia`] API.
+Process: [Renderer](../tutorial/quick-start.md#renderer-process)
+
The following example shows how to capture video from a desktop window whose
title is `Electron`: