chainable

Sure, the trick is to return the object once you’re done modifying it: String.prototype.foo = function() { return this + “+”; } var str = “Notepad”; console.log(str.foo().foo().toUpperCase()); http://jsfiddle.net/Xeon06/vyFek/ To make the method available on String, I’m modifying it’s prototype. Be careful not to do this on Object though, as it can cause problems when enumerating … Read more