传统JavaScript的真正力量 / Discovery The Full Power of Classic JavaScript

Object.prototype.inherit = (function inherit(){
var caller = arguments.callee.caller;
caller && ((caller == caller.prototype.constructor) || (this instanceof caller) && caller.prototype.constructor.apply(this, arguments));
});

(function(){
var $kw = 1;
var prw = "protect" + ["", "ed", "ee"][$kw];

function mk(o){
var p = {};
o[prw] = eval("[function " + prw + "(n){\r\nreturn pick(ensure(this, o, p), n);\r\n}][0]");
return p;
}

function pick(p, n){
return p && (n ? p[n] : p);
}

function ensure(ds, o, p){
var caller = arguments.callee.caller;
return caller.caller && (ds instanceof caller.caller) && ((o == ds) ? p : mk(ds));
}

mk(Object.prototype);
})();