Automated Testing - Test-Driven JavaScript Development - page 6

var date = this;
return (format + "").replace(/%([a-zA-Z])/g,
function (m, f) {
var formatter = Date.formats && Date.formats[f];
if (typeof formatter == "function") {
return formatter.call(Date.formats, date);
} else if (typeof formatter == "string") {
return date.strftime(formatter);
}
return f;
});
}
// Internal helper
function zeroPad(num) {
return (+num < 10 ? "0" : "") + num;
}
Date.formats = {
// Formatting methods
d: function (date) {
return zeroPad(date.getDate());
},
m: function (date) {
return zeroPad(date.getMonth() + 1);
},
y: function (date) {
return date.getYear() % 100;
},
Y: function (date) {
return date.getFullYear();
},
// Format shorthands
F: "%Y-%m-%d",
D: "%m/%d/%y"
};
return strftime;
}());