prompt
Description
The prompt of Prompts for JS displays a modal text control prompt with the given message, waits for the user to dismiss it, and returns the value that the user entered. If the user cancels the prompt, then returns null instead. If the second argument is present, then the given value is used as a default.
Syntax
result = window.prompt(message[, default])
Parameters
message
A string to display in the prompt.
default
A string to return as the default result.
