From http://www.w3schools.com (Copyright Refsnes Data)
The Dialogs library contains functions that displays alert messages.
| Function | Description |
| alert() | Displays a message and waits for a confirmation |
| confirm() | Displays a message and waits for an answer |
| prompt() | Displays a question and waits for an input |
From http://www.w3schools.com (Copyright Refsnes Data)