Create extend() on all objects

gistfile1.js

Object.defineProperty(Object.prototype, 'extend', {

    writable: true,
    enumerable: false,
    configurable: true,
    value: function(o){
        var names = Object.getOwnPropertyNames(o);
        for(var i = 0; i < names.length; i++){
            if(names[i] in this) continue;
            var desc = Object.getOwnPropertyDescriptor(o, names[i]);
            Object.defineProperty(this, names[i], desc)
        }
    
    
    
    }

});