answer Commandanswer <expression>
answer <expression> with <expression> or <expression>
The answer command displays a browser dialog.
In its simple form, it calls alert() with the given message.
With the with ... or ... form, it calls confirm() and places the chosen label into
it. If the user clicks OK, it is set to the first choice; if the user cancels,
it is set to the second choice.
<button _="on click answer 'File saved!'">Save</button>
<button _="on click
answer 'Save changes?' with 'Yes' or 'No'
if it is 'Yes'
log 'saving...'
end
">Confirm</button>