JavaScript 道格拉斯克罗克福德的模块模式

Posted 2021-05-20

var singleton = function () {
    var privateVariable = 0;
    
    function privateFunction(x) {
        //detail...
    }
    
    return {
        firstMethod: function (a) {
            return a;
        },
        secondMethod: function (a, b) {
            return a+b;
        },
        thirdMethod: function () {
            return privateVariable;
        }
    };
}();

alert(singleton.secondMethod(1,2)); //return 3