For some reason I have a question in my head: “Could I write code in JavaScript without ‘if’ statements at all?” Inspired by Chris Owen’s presentation on SmallTalk I created this implementation of SmallTalk-like pattern for working with boolean objects:
Boolean.prototype.ifTrue = function (f) {this && f();return this;};Boolean.prototype.ifFalse = function (f) {this || f();return this;};// so you can write(4 < 5).ifTrue(function () {alert("It is true.");}).ifFalse(function () {alert("It isn’t true.");});
This example doesn’t have any practical usage, but from academic point of view this is an interesting example.
