JavaScript——面向对象以及基于类的继承

/*###########################################*
 * 1.通过prototype建立面向对象的JavaScript
 * 2.基于类的继承
 ###########################################*/

/*##################1#################*/
/*创建交通工具的构造方法*/
function Vehicle() {
    /*交通工具属性*/
    var wheelCounts = 4;//车轮数
    var curbWeightInPounds = 3000;//车子重量
    
    this.getWheelCounts = function() {
        return wheelCounts;
    } ;
    this.getCurbWeightInPounds = function() {
        return curbWeightInPounds;
    } ;
    
    this.setWheelCounts = function(wc) {
        wheelCounts = wc;
    } ;
    this.setCurbWeightInPounds = function(cwp) {
        curbWeightInPounds = cwp;
    } ;
    //燃料
    this.refueling = function() {
        return "refueiing...";
    };

    //主要任务
    this.mainTasks = function() {
        return "Go to school, shop and so on.";
    };
    
};



/*赛车*/
function SPortsCar() {

    //燃料
    SPortsCar.prototype.refueling = function() {
        return "SPortsCar refueiing 3000";
    };

    //主要任务
    SPortsCar.prototype.mainTasks = function() {
        return "SPortsCar driving, loking good, driving beach. ";
    };
    
};

/*对象之间的复制**/
function copyObject() {
    
    this.createCopyObject = function (parent, child) {
        for(var prototype in parent)
        {
            if(!child[prototype]){
                child[prototype] = parent[prototype];
            }
        };
    };
    
}