wait--Wait for a Key Press

This command comes in the following versions:

Optionally displays a prompt, waits for a key press, and assigns the character equivalent of the pressed key to a string variable.
Optionally displays a prompt and waits for a key press.

The command has the following syntax:

wait [prompt] to var
wait [prompt]

prompt: (Optional) String to be displayed as input prompt. If no prompt is specified, the command automatically displays "Press any key...". To display no prompt, pass an empty string (""). Unquoted argument tokens are automatically stringified. Prevent automatic quoting for expressions by placing expression code in parentheses.
var: Name of variable to assign the pressed key character to.

Examples

Wait for a key press and display a custom prompt message:

do
{
    wait "Enter a number between 1 and 5:" to x
    x = parseInt(x);
}
while(x<1 || x>5)