instances-with-multiple-constructor.js

/**
 * Creating multiple constructors @ each instance
 * @constrctor
 * /
function Foobar(foobar) {
    this.foobar = foobar;
}

Foobar.prototype = {
    foobar: null
};

Foobar.fromComponents = function(foo, bar) {
    var foobar = foo + bar;
    // this will make ths constructor to re-instantiate
    return new this(foobar);
};