Javascript 类、命名空间、代码组织

$(function () {
    pageJs.urls = [
        '/', Index, 
    ];
    pageJs.run();
});

//the functions include html elements. Ajax function also can be put here.
var Common = {
    init: function () {
        //alert('Common');
    }
};

//url--pages
var Index = {
    init: function () {
        Common.init();
        this.test();
        this.test2();
        //alert(location.pathname);

    },
    test: function () {
        //alert('test');

    }
};

Index.test2 =function () {
    Index.test();
    //alert('test2');

}

//should be remove to other js file, and load before this file.
//the functions don't include any html elements.
var Utils = {
    debug: function () {
    }
};

var pageJs = {
    urls: [],
    run: function () {
        var urls =this.urls;        
        if ((urls.length %2) !=0) {
            throw"urls error";
        }
        var len = urls.length /2;
        for (var i =0; i <= len; i = i +2) {
            var pattern =new RegExp(urls[i], 'i');
            if (pattern.test(location.pathname)) {
                urls[i +1].init();
                break;
            }
        }
    }
};

　2013/7/12 注：

我想做的东西，目前有一个框架可以很好的实现，sea.js, http://seajs.org/docs/