call-me-maybe.js

// this is crazy
Function.prototype.callMeMaybe = function(ctx) {
    if (Math.random() > .5) {
        return this.apply(ctx, Array.prototype.slice.call(arguments, 1));
    }
};

function square(n) {
    return n * n;
}

// so here's my number
square.callMeMaybe(null, 2);