Douglas Crockford classical inheritance

crockfordInheritance.js

/*jslint node: true*/
'use strict';

var Parenizor = require('./crockfordClass').Parenizor;

Function.method('inherits', function (parent) {
    this.prototype = new parent();
    var d = {},
        p = this.prototype;
    this.prototype.constructor = parent;
    this.method('uber', function uber(name) {
        if (!(name in d)) {
            d[name] = 0;
        }
        var f, r, t = d[name], v = parent.prototype;
        if (t) {
            while (t) {
                v = v.constructor.prototype;
                t -= 1;
            }
            f = v[name];
        } else {
            f = p[name];
            if (f == this[name]) {
                f = v[name];
            }
        }
        d[name] += 1;
        r = f.apply(this, Array.prototype.slice.apply(arguments, [1]));
        d[name] -= 1;
        return r;
    });
    return this;
});

function ZParenizor(value) {
    this.setValue(value);
}

ZParenizor.inherits(Parenizor);

ZParenizor.method('toString', function () {
    if (this.getValue()) {
        return this.uber('toString');
    }
    return '-0-';
});

var myZParenizor = new ZParenizor(0);
console.log(myZParenizor.toString());