fabien-d/alertify.js — pull request #220 by dr3x (2014-05-05 20:12:01+00:00)
Title: Add save dialog which is the confirm with an additional save button adde...

Usage:

Alertify.set({
buttonFocus: "save",
labels: {
ok: "Yes",
cancel: "No",
save: "Save"
}
});

Alertify.save("Your changes have not been saved. Are you sure you want to continue?", function(e, btn) {
switch (btn) {
case 'save':
//Do save operation here
break;
default:
if (e) {
//ok, navigate w/o saving
}
}
});