通過直接賦值名稱空間

 //Before: antipattern 3 global variables
    var setActivePage = function () {};
    var getPage = function() {};
    var redirectPage = function() {};

//After:  just 1 global variable, no function collision and more meaningful function names
    var NavigationNs = NavigationNs || {};
    NavigationNs.active = function() {}
    NavigationNs.pagination = function() {}
    NavigationNs.redirection = function() {}