JavaScript code execution in JavaScript in any IDE

Do you know any IDE that can autofill this kind of code?

I have a javascript class generator here:

(function() {
    var core = {
        bind : function(method, scope) {
            if (!( method instanceof Function))
                throw new TypeError("Function needed as method.");
            if ( typeof (scope) != "object")
                throw new TypeError("Object needed as scope.");
            return function() {
                return method.apply(scope, arguments);
            };
        },
        require : function(source) {
            if ( typeof (source) != "object" || !source)
                throw new TypeError("Object needed as source.");
            for (var property in source)
                if (source.hasOwnProperty(property) && !this.prototype.hasOwnProperty(property))
                    this.prototype[property] = source[property];
        },
        override : function(source) {
            if ( typeof (source) != "object" || !source)
                throw new TypeError("Object needed as source.");
            for (var property in source)
                if (source.hasOwnProperty(property))
                    this.prototype[property] = source[property];
        },
        extend : function(source) {
            var superClass = this;
            var newClass = source.hasOwnProperty("constructor") ? source.constructor : function() {
                superClass.apply(this, arguments);
            };
            newClass.superClass = superClass;

            var superClone = function() {
            };
            superClone.prototype = superClass.prototype;
            newClass.prototype = new superClone();
            newClass.prototype.constructor = newClass;

            if (source)
                newClass.override(source);
            return newClass;
        }
    };

    core.require.call(Function, core);

    Function.create = function (source){
        var newClass = source.hasOwnProperty("constructor") ? source.constructor : function() {};
        newClass.override(source);
        return newClass;
    };
})(); 

I need to complete the code (written in the comments) for these classes:

//Function.prototype: bind, require, override, extend
//Function.create

var A = Function.create({ //offer Function.[create]
    test: function (){
        console.log("a");
    }
});

//A is a Function instance
//A.prototype: test

var B = A.extend({ //offer A.[extend]
    test: function (){
        console.log("b");
    },
    test2: function (){
        console.log("b2");
    }
});

//B is a Function instance
//B.prototype inherits from A.prototype
//B.prototype.test overrides A.prototype.test

var F = Function.create({ //offer Function.[create]
    getA: function (){
        return new A();
    },
    getB: function (){
        return new B();
    }
});
//F is a Function instance
//F.prototype getA, getB returns A and B instances

var f = new F(); //offer [F]
//f inherits from F.prototype
var a = f.getA(); //offer f.[getA]
//a inherits from A.prototype
var b = f.getB(); //offer f.[getB]
//b inhertis from B.prototype

a.test(); //offer a.[test]
b.test(); //offer b.[test]
b.test2(); //offer b.[test2]

, IDE - , Function.prototype, Function, . , jsdoc, , , , . IDE, js-, , . (, , , ).

IDE ( )?